# Code Domain

> Allowed values for code-type fields such as cod_type and type in validation requests and responses: tax codes, VAT numbers, web addresses, and Ateco codes.

Allowed values for code-type fields such as `cod_type` and `type` across Egon validation requests and responses.

## Code Types

Classification codes for national identifiers, business registries, and digital addresses.

| Field | Data Type | Code | Description |
| --- | --- | --- | --- |
| type | String | 01110 | Tax code |
| type | String | 01111 | VAT code |
| type | String | 01116 | Web address |
| type | String | 01600 | Ateco Code |