---
title: "FrenchFormatRule – API-Referenz · Quittio"
description: "Invoices between businesses established in France are e-invoices in Factur-X, UBL or CII, exchanged through an approved platform (plateforme agréée): large and mid-sized businesses issue them from 1 September 2026, all from 1 September 2027; all receive them from 2026. Domestic invoices to businesses get Factur-X (the format \"zugferd\", profile EN 16931). Sending through a platform is not part of this pack."
canonical_url: "https://quittio.dev/docs/api/Quittio/Country/FR/Formats/FrenchFormatRule"
locale: de
meta:
  "og:description": "Invoices between businesses established in France are e-invoices in Factur-X, UBL or CII, exchanged through an approved platform (plateforme agréée): large and mid-sized businesses issue them from 1 September 2026, all from 1 September 2027; all receive them from 2026. Domestic invoices to businesses get Factur-X (the format \"zugferd\", profile EN 16931). Sending through a platform is not part of this pack."
  "og:image": "https://quittio.dev/og/quittio-de.jpg"
  "og:image:alt": "Quittio: E-Rechnungen für PHP und Laravel. Rechtssicher, validiert, archiviert, mit geprüfter Beispielrechnung."
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  "og:title": "FrenchFormatRule – API-Referenz · Quittio"
  "twitter:image": "https://quittio.dev/og/quittio-de.jpg"
  "twitter:image:alt": "Quittio: E-Rechnungen für PHP und Laravel. Rechtssicher, validiert, archiviert, mit geprüfter Beispielrechnung."
---

> 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) \\ [Formats](https://quittio.dev/docs/api/Quittio/Country/FR/Formats)

# FrenchFormatRule

final readonly class in quittio/country-fr · implements [`FormatRule`](https://quittio.dev/docs/api/Quittio/Core/Formats/FormatRule)

`Quittio\Country\FR\Formats\FrenchFormatRule` · [Source](https://github.com/Quittio/quittio/blob/v0.7.1/packages/country-fr/src/Formats/FrenchFormatRule.php#L20)

Invoices between businesses established in France are e-invoices in Factur-X, UBL or CII, exchanged through an approved platform (plateforme agréée): large and mid-sized businesses issue them from 1 September 2026, all from 1 September 2027; all receive them from 2026. Domestic invoices to businesses get Factur-X (the format "zugferd", profile EN 16931). Sending through a platform is not part of this pack.

## Methods \#

| Method | Description |
| --- | --- |
| `->resolve()` | |

### `resolve()`#

```
public function resolve(InvoiceData $invoice): ?FormatChoice
```

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

<dl><dt>Returns</dt>
<dd><code>?<a href="https://quittio.dev/docs/api/Quittio/Core/Formats/FormatChoice">FormatChoice</a></code></dd>
</dl>

```json
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```