Regulations Governing Registration and Application for Inspection of Commodities Article 17
If required, an applicant may apply to the inspection authority that issued the certificate for an extension of the term by submitting the inspection certificate and relevant documents if the commodities have not been exported or imported during the terms of the validity of the inspection certificate. The extension shall be limited to another term of the original validity period. The inspection authority that issues the certificate shall note on the original inspection certificate such extension.
中文原文 商品檢驗登記及報驗發證辦法第17條
商品於合格證書有效期間未輸出入者，報驗義務人得檢具合格證書及有關證件於證書有效期間內，向原發證檢驗機關（構）申請延展一次，延展期間以原規定有效期間為限。
原發證檢驗機關（構）應於合格證書加註延展期間之戳記。
原發證檢驗機關（構）應於合格證書加註延展期間之戳記。