---
title: "EnterpriseNumber – API-Referenz · Quittio"
description: "The Belgian enterprise number (ondernemingsnummer, numéro d'entreprise) of the Crossroads Bank for Enterprises: ten digits, the last two 97 minus the first eight modulo 97. The VAT number is \"BE\" and the enterprise number; Peppol uses it with scheme 0208."
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locale: de
meta:
  "og:description": "The Belgian enterprise number (ondernemingsnummer, numéro d'entreprise) of the Crossroads Bank for Enterprises: ten digits, the last two 97 minus the first eight modulo 97. The VAT number is \"BE\" and the enterprise number; Peppol uses it with scheme 0208."
  "og:image": "https://quittio.dev/og/quittio-de.jpg"
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  "og:title": "EnterpriseNumber – 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."
---

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

# EnterpriseNumber

final class in quittio/country-be

`Quittio\Country\BE\Support\EnterpriseNumber` · [Source](https://github.com/Quittio/quittio/blob/v0.7.1/packages/country-be/src/Support/EnterpriseNumber.php#L12)

The Belgian enterprise number (ondernemingsnummer, numéro d'entreprise) of the Crossroads Bank for Enterprises: ten digits, the last two 97 minus the first eight modulo 97. The VAT number is "BE" and the enterprise number; Peppol uses it with scheme 0208.

## Constants \#

| Constant | Value | Description |
| --- | --- | --- |
| `SCHEME` | `'0208'` | Electronic address scheme of the enterprise number. |

## Methods \#

| Method | Description |
| --- | --- |
| `::format()` | The number in the usual notation "0123.456.749". |
| `::fromVatId()` | The enterprise number of a Belgian VAT number ("BE0123456749"), or null for another value. |
| `::isValid()` | Whether the value is an enterprise number with valid check digits. |
| `::normalize()` | The ten digits of a number such as "0123.456.749", "BE 0123 456 749" or "123456749", or null. |

### `format()`#

```
public static function format(string $value): string
```

static

The number in the usual notation "0123.456.749".

| Parameter | Type | Description |
| --- | --- | --- |
| `$value` | `string` | |

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

### `fromVatId()`#

```
public static function fromVatId(?string $vatId): ?string
```

static

The enterprise number of a Belgian VAT number ("BE0123456749"), or null for another value.

| Parameter | Type | Description |
| --- | --- | --- |
| `$vatId` | `?string` | |

<dl><dt>Returns</dt>
<dd><code>?string</code></dd>
</dl>

### `isValid()`#

```
public static function isValid(string $value): bool
```

static

Whether the value is an enterprise number with valid check digits.

| Parameter | Type | Description |
| --- | --- | --- |
| `$value` | `string` | |

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

### `normalize()`#

```
public static function normalize(string $value): ?string
```

static

The ten digits of a number such as "0123.456.749", "BE 0123 456 749" or "123456749", or null.

| Parameter | Type | Description |
| --- | --- | --- |
| `$value` | `string` | |

<dl><dt>Returns</dt>
<dd><code>?string</code></dd>
</dl>

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