關於「state/province」標籤，搜尋引擎有相關的訊息討論：

State and province codes - PayPal Developerdeveloper.paypal.com › reference › state-codesState / Province selector - WordPress.orgwordpress.org › support › topic › state-province-selectorState & Province Codesdeveloper.paypal.com › api › rest › reference › state-codesprovin