Regulations Governing Self-verification Conducted by Measuring Instrument Enterprises Article 21

In case of loss or damage of a self-verification permit certificate, an application form may be prepared and sent together with the certification fee to the dedicated weights and measures authority to apply for re-issuance or replacement.
中文原文 度量衡業自行檢定管理辦法第21條
自行檢定許可證書遺失或毀損者,得填具申請書,連同證照費,向度量衡專責機關申請補發或換發。

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