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Mandatory Information on Invoices in Italy

Complete guide to legal requirements for your invoices and estimates

ItalyEUReu_vatLast reviewed: 2025-12-23

In Italy, invoices must comply with DPR 633/1972. This guide details the mandatory information depending on the context (B2B and B2C).

⚠️ Disclaimer: This guide is provided for informational purposes only and does not constitute legal or tax advice. Compliance information is aggregated by AI from public sources. This is not legal advice. You remain responsible for final compliance.

This content is generated by AI from public sources and may be inaccurate or outdated. It is not reviewed by legal professionals and does not constitute legal advice. You must verify requirements with qualified counsel.

AI sources include public regulations and official guidance from tax authorities and e-invoicing bodies.

26 requirements, 19 rulesTip: search by keyword, field name, or legal reference.
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B2C Italy

Context: B2C_IT

13 requirements, 8 rules

Required Information

Invoice Date

Required

The date of issue of the invoice.

Conditions:

Always required

Example:

10/01/2025

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (a)
a) data di emissione;:contentReference[oaicite:0]{index=0}
Confidence:High

Invoice Number

Required

Unique progressive number of the invoice, in a continuous series.

Conditions:

Always required

Example:

2025/0001

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (b)
b) numero progressivo che la identifichi in modo univoco;:contentReference[oaicite:1]{index=1}
Confidence:High

Supplier Name & Address

Required

Name (or name and surname) and address of the transferor/provider;

Conditions:

Always required

Example:

ABC S.r.l., Via Roma 1, 00100 Rome (IT)

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (c)
c) ditta, denominazione o ragione sociale, nome e cognome, residenza o domicilio del soggetto cedente o prestatore, ...:contentReference[oaicite:2]{index=2}
Confidence:High

VAT Number

Required

VAT number of the seller/provider.

Conditions:

Always required (supplier's VAT number)

Example:

if not resident in Italy, also indicate tax representative and permanent establishment.

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (d)
d) numero di partita IVA del soggetto cedente o prestatore;:contentReference[oaicite:3]{index=3}
Confidence:High

Customer Name & Address

Required

Name (or denomination) and address of the transferee/customer.

Conditions:

Always required

Example:

Mario Rossi, Via Milano 10, 20100 Milan (IT)

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (e)
e) ... nome e cognome, residenza o domicilio del soggetto cessionario o committente...:contentReference[oaicite:4]{index=4}
Confidence:High

customer tax code

Required

Tax code of the customer (if a natural person does not have a VAT number).

Conditions:

Required if customer without VAT number (final consumer)

Example:

RSSMRA85M01H501U

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (f)
nel caso in cui il cessionario ... non agisce nell'esercizio d'impresa... codice fiscale;:contentReference[oaicite:5]{index=5}
Confidence:High

description of goods services

Required

Nature, quality and quantity of the goods and services covered by the transaction.

Conditions:

Always required

Example:

Sale of 2 clothing items

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (g)
g) natura, qualità e quantità dei beni e dei servizi formanti oggetto dell'operazione;:contentReference[oaicite:6]{index=6}:contentReference[oaicite:7]{index=7}
Confidence:High

Supply/Delivery Date

Required

Date of execution of the operation (if different from the date of issue of the invoice).

Conditions:

Required if different from invoice date

Example:

Performance date: 01/05/2025

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (g-bis)
g-bis) data in cui è effettuata la cessione ... se diversa dalla data di emissione della fattura;:contentReference[oaicite:8]{index=8}
Confidence:High

taxable amount

Required

Taxable amount of the transaction, net of VAT.

Conditions:

Always required

Example:

€100.00

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (h)
h) corrispettivi ed altri dati necessari per la determinazione della base imponibile...:contentReference[oaicite:9]{index=9}
Confidence:High

vat rate

Required

VAT rate applied to the operation.

Conditions:

Always required (for each applicable rate)

Example:

22%

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (l)
l) aliquota, ammontare dell'imposta e dell'imponibile...:contentReference[oaicite:10]{index=10}
Confidence:High

vat amount

Required

Amount of VAT due on the transaction.

Conditions:

Required if VAT is applicable

Example:

€22.00

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (l)
l) ... ammontare dell'imposta ... con arrotondamento al centesimo...:contentReference[oaicite:11]{index=11}
Confidence:High

new transport vehicle details

Required

For intra-community transfers of new means of transport: indicate date of first registration and distance/hours of use.

Conditions:

Required only for intra-community transfer of new means of transport

Example:

Registration 01/07/2025, 50 km travelled

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (m)
m) data della prima immatricolazione ... e numero dei chilometri... se trattasi di cessione intracomunitaria di mezzi di trasporto nuovi...:contentReference[oaicite:12]{index=12}
Confidence:High

third party invoice annotation

Required

An annotation must be included if the invoice is issued on behalf of the transferor by the transferee/customer or by a third party.

Conditions:

Required if invoice issued by buyer or third party

Example:

Invoice issued by a third party on behalf of the transferor

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (n)
n) annotazione che la stessa è emessa, per conto del cedente o prestatore, dal cessionario o committente ovvero da un terzo.:contentReference[oaicite:13]{index=13}
Confidence:High

Special Rules

⚙️

Small Business VAT Exemption

Special rule

Explanation:

10. Include the mention: "Operazione effettuata ai sensi dell"

Legal sources:

📖Legge 190/2014 art. 1 commi 54-89 (Regime forfettario)
“Operazione effettuata ai sensi dell’articolo 1, commi da 54 a 89, della Legge n. 190/2014, e successive modificazioni.”:contentReference[oaicite:14]{index=14}
⚙️

VAT-Exempt Transaction

Special rule

Explanation:

Note to be indicated mandatory for VAT exempt operations pursuant to art. Include the mention: "Operazione esente IVA" / "operazione esente"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6 (c)
c) operazioni esenti di cui all'articolo 10... con l'annotazione «operazione esente»;:contentReference[oaicite:15]{index=15}
⚙️

Non-Taxable Transaction

Special rule

Explanation:

Annotation to be indicated for non-taxable operations (exports, intra-community transfers) pursuant to articles. Include the mention: "Operazione non imponibile" / "operazione non imponibile"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6 (b)
b) operazioni non imponibili di cui agli articoli 8, 8-bis, 9 e 38-quater, con l'annotazione «operazione non imponibile»;:contentReference[oaicite:16]{index=16}
⚙️

Out of VAT Scope

Special rule

Explanation:

Annotation to be indicated if the operation is not territorially subject to VAT in Italy (e.g. goods in customs transit, operations outside the EU). Include the mention: "Operazione non soggetta a IVA" / "operazione non soggetta"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6 (a) e 6-bis (b)
a) ... non soggette all'imposta ... con l'annotazione «operazione non soggetta»;:contentReference[oaicite:17]{index=17} ... b) ... effettuate fuori dell'Unione europea, con l'annotazione "operazione non soggetta".:contentReference[oaicite:18]{index=18}
⚙️

Margin Scheme - Used Goods

Special rule

Explanation:

Mandatory annotation for sales subject to the margin regime (used goods). Include the mention: "Regime del margine - beni usati" / "regime del margine - beni usati"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6 (d)
d) operazioni soggette al regime del margine ... con l'annotazione, a seconda dei casi, «regime del margine - beni usati»...:contentReference[oaicite:19]{index=19}
⚙️

Margin Scheme - Works of Art

Special rule

Explanation:

Mandatory annotation for margin transactions on art objects. Include the mention: "Regime del margine - oggetti d" / "regime del margine - oggetti d'arte"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6 (d)
d) ... con l'annotazione, a seconda dei casi, ... «regime del margine - oggetti d'arte» ...:contentReference[oaicite:20]{index=20}
⚙️

Margin Scheme - Collectibles

Special rule

Explanation:

Mandatory annotation for margin transactions on antiques or collectibles. Include the mention: "Regime del margine - oggetti di antiquariato o da collezione" / "regime del margine - oggetti di antiquariato o da collezione"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6 (d)
d) ... «regime del margine - oggetti di antiquariato o da collezione»;:contentReference[oaicite:21]{index=21}
⚙️

Margin Scheme - Travel Agencies

Special rule

Explanation:

Mandatory annotation for travel agency operations subject to the margin regime (art. 74-ter Presidential Decree 633/72). Include the mention: "Regime del margine - agenzie di viaggio" / "regime del margine - agenzie di viaggio"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6 (e)
e) ... soggette al regime del margine previsto dall'articolo 74-ter, con l'annotazione «regime del margine - agenzie di viaggio».:contentReference[oaicite:22]{index=22}
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B2B Italy

Context: B2B_IT

13 requirements, 11 rules

Required Information

Invoice Date

Required

Invoice issue date.

Conditions:

Always required

Example:

10/01/2025

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (a)
a) data di emissione;:contentReference[oaicite:23]{index=23}
Confidence:High

Invoice Number

Required

Unique progressive number of the invoice.

Conditions:

Always required

Example:

2025/0001

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (b)
b) numero progressivo che la identifichi in modo univoco;:contentReference[oaicite:24]{index=24}
Confidence:High

Supplier Name & Address

Required

Name (or name and surname) and address of the transferor/provider (and tax representative/permanent establishment if applicable).

Conditions:

Always required

Example:

ABC S.r.l., Via Roma 1, 00100 Rome (IT)

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (c)
c) ... residenza o domicilio del soggetto cedente o prestatore...:contentReference[oaicite:25]{index=25}
Confidence:High

VAT Number

Required

VAT number of the seller/provider.

Conditions:

Always required

Example:

if not resident in Italy, also indicate tax representative and permanent establishment.

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (d)
d) numero di partita IVA del soggetto cedente o prestatore;:contentReference[oaicite:26]{index=26}
Confidence:High

Customer Name & Address

Required

Name (or name) and address of the transferee/customer.

Conditions:

Always required

Example:

XYZ S.p.A., Viale Europa 20, 20100 Milan (IT)

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (e)
e) ... nome e cognome, residenza o domicilio del soggetto cessionario o committente...:contentReference[oaicite:27]{index=27}
Confidence:High

Customer VAT Number

Required

VAT number of the customer (or EU VAT identification number if a foreign taxable person).

Conditions:

Required if customer is a VAT-registered entity (VAT number or VAT ID)

Example:

IT09876543210

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (f)
f) numero di partita IVA del soggetto cessionario ... ovvero ... numero di identificazione IVA ...:contentReference[oaicite:28]{index=28}
Confidence:High

description of goods services

Required

Description (nature, quality) and quantity of the goods/services sold.

Conditions:

Always required

Example:

Sale of 100 pieces of XYZ electronic component

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (g)
g) natura, qualità e quantità dei beni e dei servizi formanti oggetto dell'operazione;:contentReference[oaicite:29]{index=29}
Confidence:High

Supply/Delivery Date

Required

Date of execution of the operation (if different from the invoice date).

Conditions:

Required if different from invoice date

Example:

Delivery date: 05/01/2025

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (g-bis)
g-bis) data in cui è effettuata la cessione ... sempreché tale data sia diversa dalla data di emissione della fattura;:contentReference[oaicite:30]{index=30}
Confidence:High

taxable amount

Required

Taxable amount for the transaction or each VAT rate.

Conditions:

Always required

Example:

€1,000.00

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (h)
h) ... altri dati necessari per la determinazione della base imponibile...:contentReference[oaicite:31]{index=31}
Confidence:High

vat rate

Required

VAT rate applied.

Conditions:

Always required (for each applicable rate)

Example:

22%

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (l)
l) aliquota, ammontare dell'imposta e dell'imponibile ...:contentReference[oaicite:32]{index=32}
Confidence:High

vat amount

Required

Amount of VAT due.

Conditions:

Required if VAT applies

Example:

€220.00

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (l)
l) ... ammontare dell'imposta ...:contentReference[oaicite:33]{index=33}
Confidence:High

new transport vehicle details

Required

For intra-community transfer of a new means of transport: report date of first registration/registration and use (km/hours).

Conditions:

Required for intra-EU sales of new means of transport

Example:

First registration 07/01/2025, 10 hour flight

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (m)
m) data della prima immatricolazione ... numero dei chilometri percorsi... se trattasi di cessione intracomunitaria di mezzi di trasporto nuovi...:contentReference[oaicite:34]{index=34}
Confidence:High

third party invoice annotation

Required

Mandatory annotation if the invoice is issued by the customer or by a third party on behalf of the supplier.

Conditions:

Required if invoice issued by customer or third party

Example:

Invoice issued by transferee on behalf of the transferor

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 2 (n)
n) annotazione che la stessa è emessa, per conto del cedente o prestatore, dal cessionario o committente ovvero da un terzo.:contentReference[oaicite:35]{index=35}
Confidence:High

Special Rules

⚙️

Small Business VAT Exemption

Special rule

Explanation:

Mandatory wording if the supplier applies the flat rate regime (VAT not charged). Include the mention: "Operazione effettuata ai sensi dell"

Legal sources:

📖Agenzia Entrate - Fattura elettronica forfettari (Guida)
Il forfettario deve obbligatoriamente indicare in fattura ... “operazione effettuata ai sensi dell’articolo 1, commi da 54 a 89, della Legge n. 190/2014 e successive modificazioni”.:contentReference[oaicite:36]{index=36}
⚙️

VAT-Exempt Transaction

Special rule

Explanation:

For operations exempt from VAT (art. 10), the invoice must contain the wording of exemption and regulatory reference. Include the mention: "Operazione esente art. 10 DPR 633/72" / "operazione esente"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6 (c)
c) operazioni esenti ... con l'annotazione «operazione esente»;:contentReference[oaicite:37]{index=37}
⚙️

Non-Taxable Transaction

Special rule

Explanation:

For non-taxable operations (exports, intra-EU sales), indicate 'non-taxable operation' on the invoice with reference to the law. Include the mention: "Operazione non imponibile art. 8 DPR 633/72" / "operazione non imponibile"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6 (b)
b) operazioni non imponibili ... con l'annotazione «operazione non imponibile»;:contentReference[oaicite:38]{index=38}
⚙️

Out of VAT Scope

Special rule

Explanation:

For operations outside the scope of VAT (not subject due to lack of territorial requirement), indicate 'operation not subject' on the invoice. Include the mention: "Operazione non soggetta (art. 7)" / "operazione non soggetta"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6 (a) e 6-bis (b)
a) ... con l'annotazione «operazione non soggetta»;:contentReference[oaicite:39]{index=39} ... b) ... con l'annotazione "operazione non soggetta".:contentReference[oaicite:40]{index=40}
⚙️

EU Reverse Charge

Special rule

Explanation:

For services rendered to EU taxable persons (non-taxable art. 7-ter), the invoice must include the words 'reverse charge'. Include the mention: "Inversione contabile (art. 7-ter)" / "inversione contabile"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6-bis (a)
a) ... effettuate nei confronti di un soggetto passivo ... con l'annotazione «inversione contabile»;:contentReference[oaicite:41]{index=41}
⚙️

Domestic Reverse Charge

Special rule

Explanation:

For operations subject to internal reverse charge (art. 17 c.6), the invoice is issued without VAT with the indication 'reverse charge' and regulatory reference. Include the mention: "Reverse charge art. 17 co.6 DPR 633/72"

Legal sources:

📖D.P.R. 633/1972 - Art. 17 comma 6 (reverse charge)
Il subappaltatore emetterà fattura indicandovi che si tratta di un’operazione senza addebito di I.V.A., giacché soggetta al regime del reverse charge ai sensi dell’art. 17, comma 6...:contentReference[oaicite:42]{index=42}
⚙️

Margin Scheme - Used Goods

Special rule

Explanation:

Transactions subject to the margin regime (used goods) must bear the words 'margin regime - used goods'. Include the mention: "Regime del margine - beni usati" / "regime del margine - beni usati"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6 (d)
«regime del margine - beni usati»:contentReference[oaicite:43]{index=43}
⚙️

Margin Scheme - Works of Art

Special rule

Explanation:

Transactions under the margin regime (art objects) must bear the words 'margin regime - art objects'. Include the mention: "Regime del margine - oggetti d" / "regime del margine - oggetti d'arte"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6 (d)
«regime del margine - oggetti d'arte»:contentReference[oaicite:44]{index=44}
⚙️

Margin Scheme - Collectibles

Special rule

Explanation:

Transactions under the margin regime (antiques/collections) must bear the words 'margin regime - antiques or collectibles'. Include the mention: "Regime del margine - oggetti di antiquariato o da collezione" / "regime del margine - oggetti di antiquariato o da collezione"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6 (d)
«regime del margine - oggetti di antiquariato o da collezione»:contentReference[oaicite:45]{index=45}
⚙️

Margin Scheme - Travel Agencies

Special rule

Explanation:

Travel agency operations under the margin scheme must bear the words 'margin scheme - travel agencies'. Include the mention: "Regime del margine - agenzie di viaggio"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6 (e)
e) ... «regime del margine - agenzie di viaggio.":contentReference[oaicite:46]{index=46}
⚙️

Self-Invoicing

Special rule

Explanation:

If the transferee/principal issues an invoice on his own (self-invoicing, e.g. reverse charge), the invoice must bear the annotation 'self-invoicing'. Include the mention: "Autofatturazione" / "autofatturazione"

Legal sources:

📖D.P.R. 633/1972 - Art. 21 comma 6-ter
6-ter. Le fatture emesse dal cessionario ... recano l'annotazione «autofatturazione».:contentReference[oaicite:47]{index=47}