# Tax Info The tax ID of the customer. The customer is also known as the payer. Both `tax_id` and `tax_id_type` are required. ## Structure `TaxInfo` ## Fields | Name | Type | Tags | Description | Getter | Setter | | --- | --- | --- | --- | --- | --- | | `taxId` | `string` | Required | The customer's tax ID value.
**Constraints**: *Minimum Length*: `1`, *Maximum Length*: `14`, *Pattern*: `([a-zA-Z0-9])` | getTaxId(): string | setTaxId(string taxId): void | | `taxIdType` | [`string(TaxIdType)`](../../doc/models/tax-id-type.md) | Required | The customer's tax ID type.
**Constraints**: *Minimum Length*: `1`, *Maximum Length*: `14`, *Pattern*: `^[A-Z0-9_]+$` | getTaxIdType(): string | setTaxIdType(string taxIdType): void | ## Example (as JSON) ```json { "tax_id": "tax_id0", "tax_id_type": "BR_CPF" } ```