Regulations Governing the Production and Issuance of the National Health Insurance Card and Data Storage and Access Article 14

When a beneficiary obtains a replacement new card, the original NHI Card shall be canceled and may no longer be used.
中文原文 全民健康保險保險憑證製發及存取資料管理辦法第14條
保險對象取得換領之新卡時,原健保卡即予註銷,不得再行使用。

English translation for reference only; the Chinese text prevails. Not legal advice.