Regulations Governing Registration and Application for Inspection of Commodities Article 4

A domestic sale registration certificate shall be issued when an application for domestic sale inspection registration has passed examination.The BSMI may cancel a certificate if an applicant who has obtained a certificate closes or suspends business, has unknown whereabouts, or has no record of applying for inspection for more than 2 years.
中文原文 商品檢驗登記及報驗發證辦法第4條
申請內銷檢驗商品登記經審查符合者,發給內銷檢驗商品登記證。
依前項取得內銷檢驗商品登記證之報驗義務人有停業、歇業、行蹤不明或逾二年未申請報驗者,檢驗機關(構)得予註銷。

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