type: object description: The details to update in a tax region. x-schemaName: AdminUpdateTaxRegion properties: province_code: type: string title: province_code description: The tax region's ISO 3166-2 province code. Must be lower-case. example: us-ca externalDocs: url: https://en.wikipedia.org/wiki/ISO_3166-2 description: Learn more about ISO 3166-2 metadata: type: object description: The tax region's metadata, can hold custom key-value pairs. externalDocs: url: https://docs.medusajs.com/api/admin#manage-metadata description: Learn how to manage metadata provider_id: type: string title: provider_id description: >- The ID of the tax provider to use when calculating taxes for this tax region.