---
title: "FrenchRules – API-Referenz · Quittio"
description: "Mentions of a French invoice: art. 242 nonies A of annex II to the CGI (with the mentions of the e-invoicing reform from 1 September 2026) and art. L441-9 of the Code de commerce for invoices between businesses."
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---

> Index of every page on this site: [llms.txt](https://quittio.dev/llms.txt)

[API reference](https://quittio.dev/docs/api) / [Quittio](https://quittio.dev/docs/api/Quittio) \\ [Country](https://quittio.dev/docs/api/Quittio/Country) \\ [FR](https://quittio.dev/docs/api/Quittio/Country/FR) \\ [Rules](https://quittio.dev/docs/api/Quittio/Country/FR/Rules)

# FrenchRules

final class in quittio/country-fr

`Quittio\Country\FR\Rules\FrenchRules` · [Source](https://github.com/Quittio/quittio/blob/v0.7.1/packages/country-fr/src/Rules/FrenchRules.php#L32)

Mentions of a French invoice: art. 242 nonies A of annex II to the CGI (with the mentions of the e-invoicing reform from 1 September 2026) and art. L441-9 of the Code de commerce for invoices between businesses.

These rules apply to every invoice of a French seller, independent of the format. Not reviewed by a tax adviser yet (see the README of the pack).

## Constants \#

| Constant | Value | Description |
| --- | --- | --- |
| `OPERATION_CATEGORIES` | `['B1', 'S1', 'M1', 'B2', 'S2', 'M2', 'S3', 'B4', 'S4', 'M4', 'S5', 'S6', 'B7', 'S7']` | Codes of the operation category (cadre de facturation, BT-23) of the French specifications. |
| `REFORM_DATE` | `'2026-09-01'` | The new mentions of the e-invoicing reform apply from this date. |

## Methods \#

| Method | Description |
| --- | --- |
| `::all()` | |
| `::inFrance()` | An address in the French VAT territory (with Monaco, without the overseas departments). |
| `::inMonaco()` | An address in Monaco, which belongs to the French VAT territory but has no SIREN. |
| `::isSmallBusinessInvoice()` | An invoice under the franchise: the flag of the core or a line with VatPreset::SmallBusiness. |

### `all()`#

```
public static function all(): list<Rule>
```

static

<dl><dt>Returns</dt>
<dd><code>list&lt;<a href="https://quittio.dev/docs/api/Quittio/Core/Validation/Rule">Rule</a>&gt;</code></dd>
</dl>

### `inFrance()`#

```
public static function inFrance(Address $address): bool
```

static

An address in the French VAT territory (with Monaco, without the overseas departments).

| Parameter | Type | Description |
| --- | --- | --- |
| `$address` | `[Address](https://quittio.dev/docs/api/Quittio/Core/Data/Party/Address)` | |

<dl><dt>Returns</dt>
<dd><code>bool</code></dd>
</dl>

### `inMonaco()`#

```
public static function inMonaco(Address $address): bool
```

static

An address in Monaco, which belongs to the French VAT territory but has no SIREN.

| Parameter | Type | Description |
| --- | --- | --- |
| `$address` | `[Address](https://quittio.dev/docs/api/Quittio/Core/Data/Party/Address)` | |

<dl><dt>Returns</dt>
<dd><code>bool</code></dd>
</dl>

### `isSmallBusinessInvoice()`#

```
public static function isSmallBusinessInvoice(InvoiceData $invoice): bool
```

static

An invoice under the franchise: the flag of the core or a line with VatPreset::SmallBusiness.

| Parameter | Type | Description |
| --- | --- | --- |
| `$invoice` | `[InvoiceData](https://quittio.dev/docs/api/Quittio/Core/Data/InvoiceData)` | |

<dl><dt>Returns</dt>
<dd><code>bool</code></dd>
</dl>

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```