code: '''Endpoints  POST /v1/customers/:id/tax_ids   GET /v1/customers/:id/tax_ids/:idDELETE /v1/customers/:id/tax_ids/:id   GET /v1/customers/:id/tax_ids
  '''
nl: Customer Tax IDsYou can add one or multiple tax IDs to a customer.
  A customer's tax IDs are displayed on invoices and credit notes issued for the customer.