/**
 * @schema AdminUpdateTaxRegion
 * 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 province code.
 *   metadata:
 *     type: object
 *     description: The tax region's metadata, can hold custom key-value pairs.
 * 
*/