SDI Italy

This app is being retired. New integrations should use the Italy app, which reaches SDI through Invopop’s own accredited channel.

Description
Actions
Workflows
Documents

SDI Sending

View implementation guide ›

SDI Receiving

View implementation guide ›


Developer	Invopop
Category	Government
Scope	B2B
Country	Italy

The SDI (Sistema di Interscambio) is Italy’s central hub for transmitting, validating, and delivering all electronic invoices throughout the country. It is managed by the Italian tax authority (Agenzia delle Entrate).Electronic invoicing is mandatory for all businesses in Italy. The SDI system operates using a standardized XML format called FatturaPA, which ensures all invoices contain the required information and comply with the strict validation rules established by the Italian tax authority.Invopop simplifies SDI integration by allowing you to work with GOBL format instead of XML, providing synchronous validation before submission, and offering a simple API integration with automatic handling of SDI notifications and status updates. Invopop has partnered with A-Cube to provide SDI integration services.Key features

Workflow automation: This app provides automated workflows for sending and receiving invoices through the SDI system.
FatturaPA XML generation: Automatically converts GOBL documents into compliant FatturaPA XML format.
Real-time status updates: Automatically handles SDI notifications and status updates, including delivery confirmations and acceptance/rejection notifications.
Bidirectional support: Send invoices to SDI and receive invoices from suppliers through the same app.
Customer registration: Register companies to receive invoices through SDI with a simple workflow step.
GOBL FatturaPA integration: Uses the open-source GOBL FatturaPA library for conversions.

Make sure to check out our SDI Italy Sending Guide and SDI Italy Receiving Guide for instructions on how to issue and receive invoices.

FAQ

Invoicing questions

How do I configure my workspace for Italian invoicing?

Install the Italy app for structured invoicing through SDI, or the Smart Receipts app for B2C-only AdE CF receipts. Run invoices through a workflow with the Send invoice to SDI step — see the issuing guide.

How do I issue a documento commerciale (scontrino)?

Retail receipts (documento commerciale, commonly called scontrino) are not SDI invoices — they are reported to the tax authority as corrispettivi through a separate channel. Use the Smart Receipts Italy app for those, and see the Smart Receipts issuing guide.

Where do I find Italy-specific GOBL documentation?

See the Italy tax regime in GOBL for tax categories, codice fiscale rules, and SDI-specific extensions. The it-sdi-v1 addon documents required FatturaPA fields.

Why is my invoice processing taking so long?

The Send invoice to SDI step completes as soon as SDI accepts the file — it doesn’t wait for SDI’s verdict. What takes time is SDI’s own processing: a rejection usually arrives within minutes, but delivery confirmations can take up to 5 days. Each verdict is recorded against the invoice as a status entry, so nothing is stuck while you wait. See the status guide for the full lifecycle.

How do I know if my invoice was delivered successfully?

SDI confirms delivery with an RC (ricevuta di consegna) notification, recorded on the invoice as a status entry with the GOBL status acknowledged. A rejection arrives as NS with status error. Every notification and what it means is covered in the status guide.

How do I test different SDI outcomes in the sandbox?

Set a reserved codice destinatario on the customer — for example SIMNS00 to simulate a rejection. The sandbox simulates SDI end to end and feeds back the notifications a real exchange would produce; any ordinary code resolves to a successful delivery. The full list of reserved codes is in the issuing guide.

How do I add codice fiscale and Partita IVA?

Invopop handles both Italian tax identification numbers in the supplier and customer sections of invoices:

Partita IVA (VAT number): Automatically extracted from the tax_id/code field.
Codice Fiscale (fiscal code): Must be specified as an identity with the key it-fiscal-code.

Here’s an example showing both identifiers in a supplier object:

Supplier with Partita IVA and Codice Fiscale

{
    "supplier": {
        "name": "MªF. Services",
        "tax_id": {
            "country": "IT",
            "code": "12345678903"
        },
        "identities": [
            {
                "key": "it-fiscal-code",
                "code": "MRTMTT91D08F205J"
            }
        ]
    }
}

Registering supplier questions

How do I onboard a new supplier in Italy?

Provide the supplier’s Partita IVA and Codice Fiscale (where different) in their party configuration. No certificate upload is needed — Invopop transmits to SDI over its own accredited channel.

How are supplier credentials stored in Invopop for Italy?

No supplier certificates are required. Invopop exchanges documents with SDI over its own accredited channel; only the Partita IVA and routing metadata are stored.

How do I register a supplier with SDI?

You don’t need to. SDI has no supplier registration for sending: set the supplier’s Partita IVA on the party and send. Registration is only needed for receiving — see the receiving invoices guide.

What certificates does SDI require to authenticate a supplier?

None — Invopop exchanges documents with SDI over its own accredited channel, so suppliers don’t manage any certificates. The one exception is invoices to public administrations (FPA12), which require a qualified electronic signature and are not yet supported.

Receiving questions

How do I import received invoices in Italy?

Register Invopop’s recipient code (BDCS3JD) with the tax authority and run the registration workflow on the company’s party entry. Invopop automatically receives matching invoices and routes them through the configured import workflow. See the receiving invoices guide.

How does Invopop convert received Italian invoices into GOBL?

Inbound FatturaPA XMLs are parsed via gobl.fatturapa. The original signed XML is preserved as a silo entry attachment alongside the GOBL representation.

How do I test receiving invoices in the sandbox?

Register the company for reception in your sandbox workspace, then send a sandbox invoice addressed to it — the app loops it back to you as an inbound delivery and runs your import workflow, exactly as a real delivery would. This is the only way to receive an invoice in sandbox: there is no tax authority to register with, and no real supplier can reach it. See receiving your own invoices.

What happens if a received invoice contains errors?

The import step attempts to convert the FatturaPA document into GOBL. If conversion fails, the step returns KO, but the original file stays stored — the invoice can be re-processed later without SDI needing to redeliver it.If the invoice has significant structural issues that prevent conversion, you may need to contact the sender to request a corrected invoice.

How quickly are invoices received after being sent by suppliers?

Invoices are typically received within minutes after being sent by suppliers through SDI. The automatic import process in Invopop processes them as soon as they are received by our system.

Can I register multiple companies to receive invoices?

Yes, multiple companies can be registered to receive invoices through a single Invopop workspace. For each company, you must:

Register the recipient code BDCS3JD with the Italian tax authority for that specific company
Have its tax ID registered by running the registration workflow on the company’s party entry
Use the same import workflow configured in the app settings

This two-step registration process (with the tax authority and with Invopop) must be completed for each company you want to register. This is particularly useful for white-labeling scenarios where a user manages multiple entities.

Can I register the same tax ID again from a different party?

Yes, but only one party at a time can hold a given tax ID. Run the unregister workflow on the party that currently holds it, then register the new one.Registering a tax ID that another party already holds fails with a clear error.Sandbox and live are counted separately, so the same tax ID can be registered in both at the same time.

What is the difference between registering with the tax authority and registering with Invopop?

The two-step registration process serves different purposes:

Registering with the Italian tax authority - Tells SDI to route invoices addressed to your company to Invopop’s channel using the Codice Destinatario BDCS3JD.
Registering with Invopop (the registration workflow) - Tells Invopop which invoices to accept and process for your workspace.

Both steps are necessary: the first routes the invoices to Invopop, and the second ensures Invopop knows which workspace should receive those invoices.

What format do received SDI invoices arrive in?

Signed FatturaPA XML (versions 1.2.x), conforming to the Agenzia delle Entrate schema. The original file is kept attached to the entry exactly as SDI delivered it, alongside SDI’s delivery metadata.

More answers in our Italy FAQ section

The following workflows are available to make your integration easier. Use them as templates to build upon.

SDI Italy send invoice workflow

This workflow automates FatturaPA invoice generation and submission to SDI.

Example SDI issue invoice workflow

{
  "name": "SDI issue invoice",
  "description": "Issue an invoice through SDI",
  "schema": "bill/invoice",
  "steps": [
    {
      "id": "1a692ae0-cd12-11ef-998c-e97f18c9212e",
      "name": "Set state",
      "provider": "silo.state",
      "summary": "Set state to `processing`{.state .processing}",
      "config": {
        "state": "processing"
      }
    },
    {
      "id": "1855b430-cd12-11ef-998c-e97f18c9212e",
      "name": "Sign envelope",
      "provider": "silo.close"
    },
    {
      "id": "2042f860-cd12-11ef-998c-e97f18c9212e",
      "name": "Send invoice to SDI",
      "provider": "sdi-it.send",
      "summary": "Sandbox · Accepted by PA (Notifica esito)",
      "config": {
        "environment": "sandbox",
        "response": "NE"
      }
    },
    {
      "id": "c1067e58-7b8b-11f1-8b0e-92000767c8b7",
      "name": "Archive document for legal preservation",
      "provider": "sdi-it.archive.store",
      "summary": "Preserve invoice and store its receipt",
      "config": {
        "environment": "sandbox"
      }
    },
    {
      "id": "236965b0-cd12-11ef-998c-e97f18c9212e",
      "name": "Generate PDF",
      "provider": "pdf",
      "summary": "Italian · A4",
      "config": {
        "date_format": "%Y-%m-%d",
        "locale": "it",
        "logo_height": 40
      }
    },
    {
      "id": "2b6db450-cd12-11ef-998c-e97f18c9212e",
      "name": "Set state",
      "provider": "silo.state",
      "summary": "Set state to `sent`{.state .sent}",
      "config": {
        "state": "sent"
      }
    }
  ],
  "rescue": [
    {
      "id": "2d5d7660-cd12-11ef-998c-e97f18c9212e",
      "name": "Set state",
      "provider": "silo.state",
      "summary": "Set state to `error`{.state .error}",
      "config": {
        "state": "error"
      }
    }
  ]
}

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SDI Italy register customer workflow

This workflow registers a company to receive invoices through SDI.

Example SDI register customer workflow

{
  "name": "SDI register customer",
  "description": "Register a customer with SDI to receive invoices",
  "schema": "org/party",
  "steps": [
    {
      "id": "2a34f560-fd13-11ef-998c-e97f18c9212e",
      "name": "Set state",
      "provider": "silo.state",
      "summary": "Set state to `processing`{.state .processing}",
      "config": {
        "state": "processing"
      }
    },
    {
      "id": "3b5c7890-fd13-11ef-998c-e97f18c9212e",
      "name": "Register party with SDI",
      "provider": "sdi-it.register",
      "summary": "Register company as receiver",
      "config": {
        "environment": "production"
      }
    },
    {
      "id": "c1096edb-7b8b-11f1-a196-92000767c8b7",
      "name": "Register party for e-archiving",
      "provider": "sdi-it.archive.register",
      "summary": "Register company for legal preservation",
      "config": {
        "environment": "production"
      }
    },
    {
      "id": "4c6d8910-fd13-11ef-998c-e97f18c9212e",
      "name": "Set state",
      "provider": "silo.state",
      "summary": "Set state to `registered`{.state .registered}",
      "config": {
        "state": "registered"
      }
    }
  ],
  "rescue": [
    {
      "id": "5d7e9a20-fd13-11ef-998c-e97f18c9212e",
      "name": "Set state",
      "provider": "silo.state",
      "summary": "Set state to `error`{.state .error}",
      "config": {
        "state": "error"
      }
    }
  ]
}

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SDI Italy unregister customer workflow

This workflow stops a company from receiving invoices through SDI.

Example SDI unregister customer workflow

{
  "name": "SDI unregister customer",
  "description": "Unregister a customer from SDI to stop receiving invoices",
  "schema": "org/party",
  "steps": [
    {
      "id": "b56b1f70-90e1-11f1-9fc8-92000767c8b7",
      "name": "Set state",
      "provider": "silo.state",
      "summary": "Set state to `processing`{.state .processing}",
      "config": {
        "state": "processing"
      }
    },
    {
      "id": "b56e7f7c-90e1-11f1-8a81-92000767c8b7",
      "name": "Unregister party from SDI",
      "provider": "sdi-it.unregister",
      "summary": "Stop receiving invoices for this company"
    },
    {
      "id": "b56e8088-90e1-11f1-b95f-92000767c8b7",
      "name": "Set state",
      "provider": "silo.state",
      "summary": "Set state to `void`{.state .void}",
      "config": {
        "state": "void"
      }
    }
  ],
  "rescue": [
    {
      "id": "cf5af04f-90e1-11f1-8a24-92000767c8b7",
      "name": "Set state",
      "provider": "silo.state",
      "summary": "Set state to `error`{.state .error}",
      "config": {
        "state": "error"
      }
    }
  ]
}

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SDI Italy import invoices workflow

This workflow imports and processes invoices received through SDI.

Example SDI import invoice workflow

{
  "name": "SDI import invoice",
  "description": "Import an invoice received through SDI",
  "schema": "bill/invoice",
  "steps": [
    {
      "id": "6e8f0b30-fd13-11ef-998c-e97f18c9212e",
      "name": "Import invoice from SDI",
      "provider": "sdi-it.import",
      "summary": "Convert received FatturaPA to GOBL",
      "config": {
        "environment": "production"
      }
    },
    {
      "id": "b3e17a92-7c5d-11f1-9c40-92000767c8b7",
      "name": "Archive document for legal preservation",
      "provider": "sdi-it.archive.store",
      "summary": "Preserve invoice and store its receipt",
      "config": {
        "environment": "production",
        "flow": "received"
      }
    },
    {
      "id": "7f9a1c40-fd13-11ef-998c-e97f18c9212e",
      "name": "Generate PDF",
      "provider": "pdf",
      "summary": "Italian · A4",
      "config": {
        "date_format": "%Y-%m-%d",
        "locale": "it",
        "logo_height": 40
      }
    },
    {
      "id": "8a0b2d50-fd13-11ef-998c-e97f18c9212e",
      "name": "Set state",
      "provider": "silo.state",
      "summary": "Set state to `sent`{.state .sent}",
      "config": {
        "state": "sent"
      }
    }
  ],
  "rescue": [
    {
      "id": "9b1c3e60-fd13-11ef-998c-e97f18c9212e",
      "name": "Set state",
      "provider": "silo.state",
      "summary": "Set state to `error`{.state .error}",
      "config": {
        "state": "error"
      }
    }
  ]
}

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Parties

Supplier

An Italian company with its partita IVA and the mandatory it-sdi-fiscal-regime extension (here RF01, ordinary regime).

Italy supplier example

{
    "$schema": "https://gobl.org/draft-0/org/party",
    "name": "Tecnologie Adriatico S.r.l.",
    "tax_id": {
        "country": "IT",
        "code": "00159560366"
    },
    "addresses": [
        {
            "num": "15",
            "street": "Via Giuseppe Verdi",
            "locality": "Milano",
            "region": "MI",
            "code": "20121",
            "country": "IT"
        }
    ],
    "emails": [
        {
            "addr": "fatturazione@tecnologieadriatico.it"
        }
    ],
    "ext": {
        "it-sdi-fiscal-regime": "RF01"
    }
}

Customer

An Italian business customer with partita IVA and the it-sdi-code inbox (Codice Destinatario) used by SDI to route the invoice.

Italy customer example

{
    "$schema": "https://gobl.org/draft-0/org/party",
    "name": "Cliente Esempio SpA",
    "tax_id": {
        "country": "IT",
        "code": "09876543217"
    },
    "inboxes": [
        {
            "key": "it-sdi-code",
            "code": "M5UXCR5"
        }
    ],
    "addresses": [
        {
            "num": "8",
            "street": "Via Roma",
            "locality": "Torino",
            "region": "TO",
            "code": "10121",
            "country": "IT"
        }
    ],
    "emails": [
        {
            "addr": "acquisti@clienteesempio.it"
        }
    ]
}

B2B Invoice

In this example, we’re issuing a standard B2B invoice from an Italian supplier to another Italian business customer.Notice:

both supplier and customer have their Partita IVA (VAT number) and Codice Fiscale properly specified,
the minimal version contains only essential fields; gobl build handles all calculations,
when running gobl build, the system automatically calculates totals, applies IVA rates, and normalizes the document according to SDI requirements,
the built version shows all calculated fields including tax breakdowns, line totals, payment terms, and final amounts,
the it-sdi-v1 addon validates the document structure for B2B transactions, and,
the invoice will be transmitted through the SDI system and delivered to the customer’s designated channel.

{
  "$schema": "https://gobl.org/draft-0/bill/invoice",
  "$regime": "IT",
  "$addons": [
    "it-sdi-v1"
  ],
  "series": "SAMPLE",
  "code": "002",
  "issue_date": "2023-05-21",
  "currency": "EUR",
  "tax": {
    "prices_include": "VAT"
  },
  "supplier": {
    "name": "Hotel California",
    "tax_id": {
      "country": "IT",
      "code": "12345678903"
    },
    "addresses": [
      {
        "num": "102",
        "street": "Via California",
        "locality": "Palermo",
        "region": "PA",
        "code": "33213",
        "country": "IT"
      }
    ],
    "registration": {
      "capital": "50000.00",
      "currency": "EUR",
      "office": "RM",
      "entry": "123456"
    },
    "ext": {
      "it-sdi-fiscal-regime": "RF01"
    }
  },
  "customer": {
    "name": "Mela S.r.l.",
    "tax_id": {
      "country": "IT",
      "code": "13029381004"
    },
    "inboxes": [
      {
        "key": "it-sdi-code",
        "code": "M5UXCR5"
      }
    ],
    "addresses": [
      {
        "num": "23",
        "street": "Via dei Mille",
        "locality": "Firenze",
        "region": "FI",
        "code": "00100",
        "country": "IT"
      }
    ]
  },
  "lines": [
    {
      "quantity": "1",
      "item": {
        "name": "Tassa di Soggiorno",
        "price": "1.00"
      },
      "taxes": [
        {
          "cat": "VAT",
          "rate": "exempt",
          "ext": {
            "it-sdi-exempt": "N4"
          }
        }
      ]
    },
    {
      "quantity": "1",
      "item": {
        "name": "Camera Matrimoniale",
        "price": "125.00"
      },
      "taxes": [
        {
          "cat": "VAT",
          "rate": "intermediate"
        }
      ]
    }
  ]
}

{
	"$schema": "https://gobl.org/draft-0/bill/invoice",
	"$regime": "IT",
	"$addons": [
		"it-sdi-v1"
	],
	"type": "standard",
	"series": "SAMPLE",
	"code": "002",
	"issue_date": "2023-05-21",
	"currency": "EUR",
	"tax": {
		"prices_include": "VAT",
		"ext": {
			"it-sdi-document-type": "TD01",
			"it-sdi-format": "FPR12"
		}
	},
	"supplier": {
		"name": "Hotel California",
		"tax_id": {
			"country": "IT",
			"code": "12345678903"
		},
		"addresses": [
			{
				"num": "102",
				"street": "Via California",
				"locality": "Palermo",
				"region": "PA",
				"code": "33213",
				"country": "IT"
			}
		],
		"registration": {
			"capital": "50000.00",
			"currency": "EUR",
			"office": "RM",
			"entry": "123456"
		},
		"ext": {
			"it-sdi-fiscal-regime": "RF01"
		}
	},
	"customer": {
		"name": "Mela S.r.l.",
		"tax_id": {
			"country": "IT",
			"code": "13029381004"
		},
		"inboxes": [
			{
				"key": "it-sdi-code",
				"code": "M5UXCR5"
			}
		],
		"addresses": [
			{
				"num": "23",
				"street": "Via dei Mille",
				"locality": "Firenze",
				"region": "FI",
				"code": "00100",
				"country": "IT"
			}
		]
	},
	"lines": [
		{
			"i": 1,
			"quantity": "1",
			"item": {
				"name": "Tassa di Soggiorno",
				"price": "1.00"
			},
			"sum": "1.00",
			"taxes": [
				{
					"cat": "VAT",
					"key": "exempt",
					"ext": {
						"it-sdi-exempt": "N4"
					}
				}
			],
			"total": "1.00"
		},
		{
			"i": 2,
			"quantity": "1",
			"item": {
				"name": "Camera Matrimoniale",
				"price": "125.00"
			},
			"sum": "125.00",
			"taxes": [
				{
					"cat": "VAT",
					"key": "standard",
					"rate": "intermediate",
					"percent": "10.0%"
				}
			],
			"total": "125.00"
		}
	],
	"totals": {
		"sum": "126.00",
		"tax_included": "11.36",
		"total": "114.64",
		"taxes": {
			"categories": [
				{
					"code": "VAT",
					"rates": [
						{
							"key": "exempt",
							"ext": {
								"it-sdi-exempt": "N4"
							},
							"base": "1.00",
							"amount": "0.00"
						},
						{
							"key": "standard",
							"base": "113.64",
							"percent": "10.0%",
							"amount": "11.36"
						}
					],
					"amount": "11.36"
				}
			],
			"sum": "11.36"
		},
		"tax": "11.36",
		"total_with_tax": "126.00",
		"payable": "126.00"
	}
}

B2G Invoice

In this example, we’re issuing a B2G invoice from an Italian supplier to the Italian government.Notice:

both supplier and customer have their Partita IVA (VAT number) and Codice Fiscale properly specified,
the minimal version contains only essential fields; gobl build handles all calculations,
when running gobl build, the system automatically calculates totals, applies IVA rates, and normalizes the document according to SDI requirements,
the built version shows all calculated fields including tax breakdowns, line totals, payment terms, and final amounts,
the it-sdi-v1 addon validates the document structure for B2G transactions, and,
the invoice will be transmitted through the SDI system and delivered to the customer’s designated channel.

{
  "$schema": "https://gobl.org/draft-0/bill/invoice",
  "$regime": "IT",
  "$addons": ["it-sdi-v1"],
  "$tags": ["b2g"],
  "series": "PA",
  "code": "2026-001",
  "issue_date": "2026-05-08",
  "currency": "EUR",
  "supplier": {
    "name": "Esempio Fornitore SRL",
    "tax_id": {
      "country": "IT",
      "code": "12345678903"
    },
    "ext": {
      "it-sdi-fiscal-regime": "RF01"
    },
    "addresses": [
      {
        "num": "10",
        "street": "Via Roma",
        "locality": "Milano",
        "region": "MI",
        "code": "20121",
        "country": "IT"
      }
    ],
    "emails": [
      {"addr": "amministrazione@esempio-fornitore.it"}
    ]
  },
  "customer": {
    "name": "Comune di Roma",
    "tax_id": {
      "country": "IT",
      "code": "02438750586"
    },
    "addresses": [
      {
        "num": "1",
        "street": "Piazza del Campidoglio",
        "locality": "Roma",
        "region": "RM",
        "code": "00186",
        "country": "IT"
      }
    ],
    "inboxes": [
      {
        "key": "it-sdi-code",
        "code": "UF9DN8"
      }
    ]
  },
  "lines": [
    {
      "quantity": "20",
      "item": {
        "name": "Servizi di consulenza informatica",
        "price": "150.00",
        "unit": "h"
      },
      "taxes": [
        {
          "cat": "VAT",
          "rate": "standard"
        }
      ]
    },
    {
      "quantity": "1",
      "item": {
        "name": "Licenza software annuale",
        "price": "1200.00"
      },
      "taxes": [
        {
          "cat": "VAT",
          "rate": "standard"
        }
      ]
    }
  ],
  "payment": {
    "instructions": {
      "key": "credit-transfer",
      "ext": {
        "it-sdi-payment-means": "MP05"
      },
      "credit_transfer": [
        {
          "iban": "IT60X0542811101000000123456",
          "name": "Banca Esempio SpA",
          "bic": "BPMOIT22XXX"
        }
      ]
    },
    "terms": {
      "due_dates": [
        {
          "date": "2026-06-07",
          "percent": "100%"
        }
      ]
    }
  },
  "notes": [
    {
      "key": "general",
      "text": "Fattura emessa verso Pubblica Amministrazione tramite SDI. CIG: Z1A2B3C4D5 - CUP: F81B12000000001"
    }
  ]
}

{
	"$schema": "https://gobl.org/draft-0/bill/invoice",
	"$regime": "IT",
	"$addons": [
		"it-sdi-v1"
	],
	"$tags": [
		"b2g"
	],
	"type": "standard",
	"series": "PA",
	"code": "2026-001",
	"issue_date": "2026-05-08",
	"currency": "EUR",
	"tax": {
		"ext": {
			"it-sdi-document-type": "TD01",
			"it-sdi-format": "FPA12"
		}
	},
	"supplier": {
		"name": "Esempio Fornitore SRL",
		"tax_id": {
			"country": "IT",
			"code": "12345678903"
		},
		"addresses": [
			{
				"num": "10",
				"street": "Via Roma",
				"locality": "Milano",
				"region": "MI",
				"code": "20121",
				"country": "IT"
			}
		],
		"emails": [
			{
				"addr": "amministrazione@esempio-fornitore.it"
			}
		],
		"ext": {
			"it-sdi-fiscal-regime": "RF01"
		}
	},
	"customer": {
		"name": "Comune di Roma",
		"tax_id": {
			"country": "IT",
			"code": "02438750586"
		},
		"inboxes": [
			{
				"key": "it-sdi-code",
				"code": "UF9DN8"
			}
		],
		"addresses": [
			{
				"num": "1",
				"street": "Piazza del Campidoglio",
				"locality": "Roma",
				"region": "RM",
				"code": "00186",
				"country": "IT"
			}
		]
	},
	"lines": [
		{
			"i": 1,
			"quantity": "20",
			"item": {
				"name": "Servizi di consulenza informatica",
				"price": "150.00",
				"unit": "h"
			},
			"sum": "3000.00",
			"taxes": [
				{
					"cat": "VAT",
					"key": "standard",
					"rate": "general",
					"percent": "22.0%"
				}
			],
			"total": "3000.00"
		},
		{
			"i": 2,
			"quantity": "1",
			"item": {
				"name": "Licenza software annuale",
				"price": "1200.00"
			},
			"sum": "1200.00",
			"taxes": [
				{
					"cat": "VAT",
					"key": "standard",
					"rate": "general",
					"percent": "22.0%"
				}
			],
			"total": "1200.00"
		}
	],
	"payment": {
		"terms": {
			"due_dates": [
				{
					"date": "2026-06-07",
					"amount": "5124.00",
					"percent": "100%"
				}
			]
		},
		"instructions": {
			"key": "credit-transfer",
			"credit_transfer": [
				{
					"iban": "IT60X0542811101000000123456",
					"bic": "BPMOIT22XXX",
					"name": "Banca Esempio SpA"
				}
			],
			"ext": {
				"it-sdi-payment-means": "MP05"
			}
		}
	},
	"totals": {
		"sum": "4200.00",
		"total": "4200.00",
		"taxes": {
			"categories": [
				{
					"code": "VAT",
					"rates": [
						{
							"key": "standard",
							"base": "4200.00",
							"percent": "22.0%",
							"amount": "924.00"
						}
					],
					"amount": "924.00"
				}
			],
			"sum": "924.00"
		},
		"tax": "924.00",
		"total_with_tax": "5124.00",
		"payable": "5124.00"
	},
	"notes": [
		{
			"key": "general",
			"text": "Fattura emessa verso Pubblica Amministrazione tramite SDI. CIG: Z1A2B3C4D5 - CUP: F81B12000000001"
		}
	]
}

Stamp Duty Invoice (Marca da Bollo)

This example matches the B2B invoice above but adds a €2.00 Marca da bollo (stamp duty) as a document-level charge.Flat-rate scheme (forfettario): taxpayers using the regime forfettario do not charge VAT on their invoices. When the document total goes above €77.47, they must account for imposta di bollo—typically by adding a €2.00 stamp duty line, as in this sample. (Thresholds and rules can change; confirm with your adviser or the Agenzia delle Entrate if in doubt.)Notice:

the charges array includes an entry with "key": "stamp-duty", amount "2.00", and reason Imposta di bollo,
the minimal version is otherwise the same as the B2B example; gobl build recalculates totals including the charge,
the built version shows totals.charge and a higher payable / total_with_tax than the plain B2B invoice,
the it-sdi-v1 addon continues to validate the document for SDI transmission.

{
  "$schema": "https://gobl.org/draft-0/bill/invoice",
  "$regime": "IT",
  "$addons": [
    "it-sdi-v1"
  ],
  "series": "SAMPLE",
  "code": "002",
  "issue_date": "2023-05-21",
  "currency": "EUR",
  "tax": {
    "prices_include": "VAT"
  },
  "supplier": {
    "name": "Hotel California",
    "tax_id": {
      "country": "IT",
      "code": "12345678903"
    },
    "addresses": [
      {
        "num": "102",
        "street": "Via California",
        "locality": "Palermo",
        "region": "PA",
        "code": "33213",
        "country": "IT"
      }
    ],
    "registration": {
      "capital": "50000.00",
      "currency": "EUR",
      "office": "RM",
      "entry": "123456"
    },
    "ext": {
      "it-sdi-fiscal-regime": "RF01"
    }
  },
  "customer": {
    "name": "Mela S.r.l.",
    "tax_id": {
      "country": "IT",
      "code": "13029381004"
    },
    "inboxes": [
      {
        "key": "it-sdi-code",
        "code": "M5UXCR5"
      }
    ],
    "addresses": [
      {
        "num": "23",
        "street": "Via dei Mille",
        "locality": "Firenze",
        "region": "FI",
        "code": "00100",
        "country": "IT"
      }
    ]
  },
  "lines": [
    {
      "quantity": "1",
      "item": {
        "name": "Tassa di Soggiorno",
        "price": "1.00"
      },
      "taxes": [
        {
          "cat": "VAT",
          "rate": "exempt",
          "ext": {
            "it-sdi-exempt": "N4"
          }
        }
      ]
    },
    {
      "quantity": "1",
      "item": {
        "name": "Camera Matrimoniale",
        "price": "125.00"
      },
      "taxes": [
        {
          "cat": "VAT",
          "rate": "intermediate"
        }
      ]
    }
  ],
  "charges": [
    {
      "key": "stamp-duty",
      "i": 1,
      "amount": "2.00",
      "reason": "Imposta di bollo"
    }
  ]
}

{
	"$schema": "https://gobl.org/draft-0/bill/invoice",
	"$regime": "IT",
	"$addons": [
		"it-sdi-v1"
	],
	"type": "standard",
	"series": "SAMPLE",
	"code": "002",
	"issue_date": "2023-05-21",
	"currency": "EUR",
	"tax": {
		"prices_include": "VAT",
		"ext": {
			"it-sdi-document-type": "TD01",
			"it-sdi-format": "FPR12"
		}
	},
	"supplier": {
		"name": "Hotel California",
		"tax_id": {
			"country": "IT",
			"code": "12345678903"
		},
		"addresses": [
			{
				"num": "102",
				"street": "Via California",
				"locality": "Palermo",
				"region": "PA",
				"code": "33213",
				"country": "IT"
			}
		],
		"registration": {
			"capital": "50000.00",
			"currency": "EUR",
			"office": "RM",
			"entry": "123456"
		},
		"ext": {
			"it-sdi-fiscal-regime": "RF01"
		}
	},
	"customer": {
		"name": "Mela S.r.l.",
		"tax_id": {
			"country": "IT",
			"code": "13029381004"
		},
		"inboxes": [
			{
				"key": "it-sdi-code",
				"code": "M5UXCR5"
			}
		],
		"addresses": [
			{
				"num": "23",
				"street": "Via dei Mille",
				"locality": "Firenze",
				"region": "FI",
				"code": "00100",
				"country": "IT"
			}
		]
	},
	"lines": [
		{
			"i": 1,
			"quantity": "1",
			"item": {
				"name": "Tassa di Soggiorno",
				"price": "1.00"
			},
			"sum": "1.00",
			"taxes": [
				{
					"cat": "VAT",
					"key": "exempt",
					"ext": {
						"it-sdi-exempt": "N4"
					}
				}
			],
			"total": "1.00"
		},
		{
			"i": 2,
			"quantity": "1",
			"item": {
				"name": "Camera Matrimoniale",
				"price": "125.00"
			},
			"sum": "125.00",
			"taxes": [
				{
					"cat": "VAT",
					"key": "standard",
					"rate": "intermediate",
					"percent": "10.0%"
				}
			],
			"total": "125.00"
		}
	],
	"charges": [
		{
			"i": 1,
			"key": "stamp-duty",
			"reason": "Imposta di bollo",
			"amount": "2.00"
		}
	],
	"totals": {
		"sum": "126.00",
		"charge": "2.00",
		"tax_included": "11.36",
		"total": "116.64",
		"taxes": {
			"categories": [
				{
					"code": "VAT",
					"rates": [
						{
							"key": "exempt",
							"ext": {
								"it-sdi-exempt": "N4"
							},
							"base": "1.00",
							"amount": "0.00"
						},
						{
							"key": "standard",
							"base": "113.64",
							"percent": "10.0%",
							"amount": "11.36"
						}
					],
					"amount": "11.36"
				}
			],
			"sum": "11.36"
		},
		"tax": "11.36",
		"total_with_tax": "128.00",
		"payable": "128.00"
	}
}

B2B Invoice with Additional Fields

In this example, we’re issuing a comprehensive B2B invoice with additional optional fields such as ordering information, payment details, and document references.Notice:

this invoice demonstrates advanced SDI features like CIG/CUP codes, payment methods, and bank details,
the minimal version includes ordering and payment details; gobl build calculates all totals,
when running gobl build, the system validates all additional fields according to SDI specifications and calculates totals,
the built version shows the complete document with all calculated fields, tax breakdowns, and properly formatted additional information,
additional fields like ordering, payment, and document references are important for public administration invoices (B2G), and,
the addon ensures all optional fields are properly validated and formatted for SDI transmission.

{
  "$schema": "https://gobl.org/draft-0/bill/invoice",
  "$regime": "IT",
  "$addons": [
    "it-sdi-v1"
  ],
  "$tags": [
    "freelance"
  ],
  "series": "SAMPLE",
  "code": "001",
  "issue_date": "2023-03-02",
  "currency": "EUR",
  "supplier": {
    "name": "MªF. Services",
    "tax_id": {
      "country": "IT",
      "code": "12345678903"
    },
    "people": [
      {
        "name": {
          "given": "GIANCARLO",
          "surname": "ROSSI"
        }
      }
    ],
    "addresses": [
      {
        "num": "1",
        "street": "VIALE DELLA LIBERTÀ",
        "locality": "ROMA",
        "region": "RM",
        "code": "00100",
        "country": "IT"
      }
    ],
    "emails": [
      {
        "addr": "billing@example.com"
      }
    ],
    "telephones": [
      {
        "num": "999999999"
      }
    ],
    "registration": {
      "capital": "50000.00",
      "currency": "EUR",
      "office": "RM",
      "entry": "123456"
    },
    "ext": {
      "it-sdi-fiscal-regime": "RF02"
    }
  },
  "customer": {
    "name": "MARIO LEONI",
    "tax_id": {
      "country": "IT",
      "code": "09876543217"
    },
    "people": [
      {
        "name": {
          "prefix": "Dott.",
          "given": "MARIO",
          "surname": "LEONI"
        }
      }
    ],
    "inboxes": [
      {
        "key": "it-sdi-code",
        "code": "M5UXCR5"
      }
    ],
    "addresses": [
      {
        "num": "1",
        "street": "VIALE DELI LAVORATORI",
        "locality": "ROMA",
        "region": "RM",
        "code": "00100",
        "country": "IT"
      }
    ],
    "emails": [
      {
        "addr": "mario@example.com"
      }
    ]
  },
  "lines": [
    {
      "quantity": "20",
      "item": {
        "name": "Development of accounting software",
        "price": "10.00",
        "unit": "h"
      },
      "taxes": [
        {
          "cat": "VAT",
          "rate": "standard"
        }
      ]
    }
  ],
  "payment": {
    "instructions": {
      "key": "credit-transfer",
      "credit_transfer": [
        {
          "iban": "IT60X0542811101000000123456",
          "name": "MªF. Services"
        }
      ]
    },
    "terms": {
      "due_dates": [
        {
          "date": "2023-09-01",
          "percent": "100%"
        }
      ]
    }
  }
}

{
	"$schema": "https://gobl.org/draft-0/bill/invoice",
	"$regime": "IT",
	"$addons": [
		"it-sdi-v1"
	],
	"$tags": [
		"freelance"
	],
	"type": "standard",
	"series": "SAMPLE",
	"code": "001",
	"issue_date": "2023-03-02",
	"currency": "EUR",
	"tax": {
		"ext": {
			"it-sdi-document-type": "TD06",
			"it-sdi-format": "FPR12"
		}
	},
	"supplier": {
		"name": "MªF. Services",
		"tax_id": {
			"country": "IT",
			"code": "12345678903"
		},
		"people": [
			{
				"name": {
					"given": "GIANCARLO",
					"surname": "ROSSI"
				}
			}
		],
		"addresses": [
			{
				"num": "1",
				"street": "VIALE DELLA LIBERTÀ",
				"locality": "ROMA",
				"region": "RM",
				"code": "00100",
				"country": "IT"
			}
		],
		"emails": [
			{
				"addr": "billing@example.com"
			}
		],
		"telephones": [
			{
				"num": "999999999"
			}
		],
		"registration": {
			"capital": "50000.00",
			"currency": "EUR",
			"office": "RM",
			"entry": "123456"
		},
		"ext": {
			"it-sdi-fiscal-regime": "RF02"
		}
	},
	"customer": {
		"name": "MARIO LEONI",
		"tax_id": {
			"country": "IT",
			"code": "09876543217"
		},
		"people": [
			{
				"name": {
					"prefix": "Dott.",
					"given": "MARIO",
					"surname": "LEONI"
				}
			}
		],
		"inboxes": [
			{
				"key": "it-sdi-code",
				"code": "M5UXCR5"
			}
		],
		"addresses": [
			{
				"num": "1",
				"street": "VIALE DELI LAVORATORI",
				"locality": "ROMA",
				"region": "RM",
				"code": "00100",
				"country": "IT"
			}
		],
		"emails": [
			{
				"addr": "mario@example.com"
			}
		]
	},
	"lines": [
		{
			"i": 1,
			"quantity": "20",
			"item": {
				"name": "Development of accounting software",
				"price": "10.00",
				"unit": "h"
			},
			"sum": "200.00",
			"taxes": [
				{
					"cat": "VAT",
					"key": "standard",
					"rate": "general",
					"percent": "22.0%"
				}
			],
			"total": "200.00"
		}
	],
	"payment": {
		"terms": {
			"due_dates": [
				{
					"date": "2023-09-01",
					"amount": "244.00",
					"percent": "100%"
				}
			]
		},
		"instructions": {
			"key": "credit-transfer",
			"credit_transfer": [
				{
					"iban": "IT60X0542811101000000123456",
					"name": "MªF. Services"
				}
			],
			"ext": {
				"it-sdi-payment-means": "MP05"
			}
		}
	},
	"totals": {
		"sum": "200.00",
		"total": "200.00",
		"taxes": {
			"categories": [
				{
					"code": "VAT",
					"rates": [
						{
							"key": "standard",
							"base": "200.00",
							"percent": "22.0%",
							"amount": "44.00"
						}
					],
					"amount": "44.00"
				}
			],
			"sum": "44.00"
		},
		"tax": "44.00",
		"total_with_tax": "244.00",
		"payable": "244.00"
	}
}

VAT Exempt Invoice

In this example, we’re issuing an invoice for goods or services that are exempt from VAT (IVA).Notice:

the line item includes a tax with "key": "exempt" indicating this is a VAT-exempt transaction,
the minimal version omits the exemption code extension (it-sdi-exempt), which will be automatically added during gobl build,
when running gobl build, the system calculates totals with zero VAT and validates the exemption structure,
the built version shows the complete document with the exemption code extension (e.g., "it-sdi-exempt": "N4") applied to the tax rate,
exemption codes must comply with SDI requirements—consult the complete list of exemption reasons in the GOBL documentation,
common exemption codes include N4 (exempt), N3.1 (exports), N3.2 (intra-community supplies), and N6.x (reverse charge scenarios), and,
the SDI validates that exempt invoices include proper exemption codes before transmission.

{
    "$schema": "https://gobl.org/draft-0/bill/invoice",
    "$regime": "IT",
    "$addons": [
        "it-sdi-v1"
    ],
    "code": "INVOICE-001",
    "supplier": {
        "name": "Example IT Supplier S.r.l.",
        "tax_id": {
            "country": "IT",
            "code": "12345678903"
        },
        "addresses": [
            {
                "street": "Via Roma, 123",
                "locality": "Milan",
                "code": "20121",
                "country": "IT"
            }
        ],
        "emails": [
            {
                "addr": "info@supplier.it"
            }
        ]
    },
    "customer": {
        "name": "Example IT Customer S.p.A.",
        "tax_id": {
            "country": "IT",
            "code": "13029381004"
        },
        "addresses": [
            {
                "street": "Via Dante, 456",
                "locality": "Rome",
                "code": "00100",
                "country": "IT"
            }
        ]
    },
    "lines": [
        {
            "quantity": "10",
            "item": {
                "name": "Tax Exempt Service",
                "price": "100.00"
            },
            "taxes": [
                {
                    "cat": "VAT",
                    "key": "exempt"
                }
            ]
        }
    ]
}

{
	"$schema": "https://gobl.org/draft-0/bill/invoice",
	"$regime": "IT",
	"$addons": [
		"it-sdi-v1"
	],
	"type": "standard",
	"code": "INVOICE-001",
	"issue_date": "2026-07-08",
	"currency": "EUR",
	"tax": {
		"ext": {
			"it-sdi-document-type": "TD01",
			"it-sdi-format": "FPR12"
		}
	},
	"supplier": {
		"name": "Example IT Supplier S.r.l.",
		"tax_id": {
			"country": "IT",
			"code": "12345678903"
		},
		"addresses": [
			{
				"street": "Via Roma, 123",
				"locality": "Milan",
				"code": "20121",
				"country": "IT"
			}
		],
		"emails": [
			{
				"addr": "info@supplier.it"
			}
		],
		"ext": {
			"it-sdi-fiscal-regime": "RF01"
		}
	},
	"customer": {
		"name": "Example IT Customer S.p.A.",
		"tax_id": {
			"country": "IT",
			"code": "13029381004"
		},
		"addresses": [
			{
				"street": "Via Dante, 456",
				"locality": "Rome",
				"code": "00100",
				"country": "IT"
			}
		]
	},
	"lines": [
		{
			"i": 1,
			"quantity": "10",
			"item": {
				"name": "Tax Exempt Service",
				"price": "100.00"
			},
			"sum": "1000.00",
			"taxes": [
				{
					"cat": "VAT",
					"key": "exempt",
					"ext": {
						"it-sdi-exempt": "N4"
					}
				}
			],
			"total": "1000.00"
		}
	],
	"totals": {
		"sum": "1000.00",
		"total": "1000.00",
		"taxes": {
			"categories": [
				{
					"code": "VAT",
					"rates": [
						{
							"key": "exempt",
							"ext": {
								"it-sdi-exempt": "N4"
							},
							"base": "1000.00",
							"amount": "0.00"
						}
					],
					"amount": "0.00"
				}
			],
			"sum": "0.00"
		},
		"tax": "0.00",
		"total_with_tax": "1000.00",
		"payable": "1000.00"
	}
}

Credit Note

In this example, we’re issuing a credit note (nota di credito) to correct or refund a previously issued invoice.Notice:

the type field is set to credit-note to indicate this is a corrective document,
the preceding field references the original invoice being corrected,
the minimal version contains only essential correction details; gobl build calculates negative amounts,
when running gobl build, the system automatically calculates negative totals, IVA refunds, validates the credit note structure, and applies SDI rules,
the built version shows all calculated fields including negative amounts for the refund and proper tax adjustments,
credit notes must be properly linked to the original invoice and transmitted through SDI, and,
the SDI system validates the credit note format before accepting and forwarding it to the recipient.

{
  "$schema": "https://gobl.org/draft-0/bill/invoice",
  "$regime": "IT",
  "$addons": [
    "it-sdi-v1"
  ],
  "$tags": [
    "freelance"
  ],
  "type": "credit-note",
  "series": "CN",
  "code": "001",
  "issue_date": "2024-10-09",
  "currency": "EUR",
  "preceding": [
    {
      "uuid": "0190c0ec-8109-756b-a4f0-88c4b542ab6e",
      "type": "standard",
      "issue_date": "2023-03-02",
      "series": "SAMPLE",
      "code": "001"
    }
  ],
  "supplier": {
    "name": "MªF. Services",
    "tax_id": {
      "country": "IT",
      "code": "12345678903"
    },
    "people": [
      {
        "name": {
          "given": "GIANCARLO",
          "surname": "ROSSI"
        }
      }
    ],
    "addresses": [
      {
        "num": "1",
        "street": "VIALE DELLA LIBERTÀ",
        "locality": "ROMA",
        "region": "RM",
        "code": "00100",
        "country": "IT"
      }
    ],
    "registration": {
      "capital": "50000.00",
      "currency": "EUR",
      "office": "RM",
      "entry": "123456"
    },
    "ext": {
      "it-sdi-fiscal-regime": "RF02"
    }
  },
  "customer": {
    "name": "MARIO LEONI",
    "tax_id": {
      "country": "IT",
      "code": "09876543217"
    },
    "people": [
      {
        "name": {
          "prefix": "Dott.",
          "given": "MARIO",
          "surname": "LEONI"
        }
      }
    ],
    "inboxes": [
      {
        "key": "it-sdi-code",
        "code": "M5UXCR5"
      }
    ],
    "addresses": [
      {
        "num": "1",
        "street": "VIALE DELI LAVORATORI",
        "locality": "ROMA",
        "region": "RM",
        "code": "00100",
        "country": "IT"
      }
    ],
    "emails": [
      {
        "addr": "mario@example.com"
      }
    ]
  },
  "lines": [
    {
      "quantity": "20",
      "item": {
        "name": "Development of accounting software",
        "price": "10.00",
        "unit": "h"
      },
      "taxes": [
        {
          "cat": "VAT",
          "rate": "standard"
        }
      ]
    }
  ],
  "payment": {
    "instructions": {
      "key": "credit-transfer",
      "credit_transfer": [
        {
          "iban": "IT60X0542811101000000123456",
          "name": "MªF. Services"
        }
      ]
    }
  }
}

{
	"$schema": "https://gobl.org/draft-0/bill/invoice",
	"$regime": "IT",
	"$addons": [
		"it-sdi-v1"
	],
	"$tags": [
		"freelance"
	],
	"type": "credit-note",
	"series": "CN",
	"code": "001",
	"issue_date": "2024-10-09",
	"currency": "EUR",
	"preceding": [
		{
			"uuid": "0190c0ec-8109-756b-a4f0-88c4b542ab6e",
			"type": "standard",
			"issue_date": "2023-03-02",
			"series": "SAMPLE",
			"code": "001"
		}
	],
	"tax": {
		"ext": {
			"it-sdi-document-type": "TD04",
			"it-sdi-format": "FPR12"
		}
	},
	"supplier": {
		"name": "MªF. Services",
		"tax_id": {
			"country": "IT",
			"code": "12345678903"
		},
		"people": [
			{
				"name": {
					"given": "GIANCARLO",
					"surname": "ROSSI"
				}
			}
		],
		"addresses": [
			{
				"num": "1",
				"street": "VIALE DELLA LIBERTÀ",
				"locality": "ROMA",
				"region": "RM",
				"code": "00100",
				"country": "IT"
			}
		],
		"registration": {
			"capital": "50000.00",
			"currency": "EUR",
			"office": "RM",
			"entry": "123456"
		},
		"ext": {
			"it-sdi-fiscal-regime": "RF02"
		}
	},
	"customer": {
		"name": "MARIO LEONI",
		"tax_id": {
			"country": "IT",
			"code": "09876543217"
		},
		"people": [
			{
				"name": {
					"prefix": "Dott.",
					"given": "MARIO",
					"surname": "LEONI"
				}
			}
		],
		"inboxes": [
			{
				"key": "it-sdi-code",
				"code": "M5UXCR5"
			}
		],
		"addresses": [
			{
				"num": "1",
				"street": "VIALE DELI LAVORATORI",
				"locality": "ROMA",
				"region": "RM",
				"code": "00100",
				"country": "IT"
			}
		],
		"emails": [
			{
				"addr": "mario@example.com"
			}
		]
	},
	"lines": [
		{
			"i": 1,
			"quantity": "20",
			"item": {
				"name": "Development of accounting software",
				"price": "10.00",
				"unit": "h"
			},
			"sum": "200.00",
			"taxes": [
				{
					"cat": "VAT",
					"key": "standard",
					"rate": "general",
					"percent": "22.0%"
				}
			],
			"total": "200.00"
		}
	],
	"payment": {
		"instructions": {
			"key": "credit-transfer",
			"credit_transfer": [
				{
					"iban": "IT60X0542811101000000123456",
					"name": "MªF. Services"
				}
			],
			"ext": {
				"it-sdi-payment-means": "MP05"
			}
		}
	},
	"totals": {
		"sum": "200.00",
		"total": "200.00",
		"taxes": {
			"categories": [
				{
					"code": "VAT",
					"rates": [
						{
							"key": "standard",
							"base": "200.00",
							"percent": "22.0%",
							"amount": "44.00"
						}
					],
					"amount": "44.00"
				}
			],
			"sum": "44.00"
		},
		"tax": "44.00",
		"total_with_tax": "244.00",
		"payable": "244.00"
	}
}

See also the stamp duty (Marca da Bollo) regulation for details on when the €2 imposta di bollo applies.

🇮🇹 Invopop resources for Italy


Compliance	Invoicing compliance in Italy Compliance timeline
Apps	Italy SDI Italy Smart Receipts Italy
Guides	SDI — Issuing invoices · Status · Receiving invoices · Archiving SDI sending guide (legacy) SDI receiving guide (legacy) Smart Receipts supplier registration Smart Receipts issuing guide
FAQ	Italy FAQ
GOBL	Italy Tax Regime Italy SDI FatturaPA Addon Italy AdE Ticket Addon
GitHub	gobl.fatturapa

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