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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.

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}