Regulations Governing the Management of the Review, Registration and Issuance of Permit Documents for Food and Related Products Article 5

Permit documents issued on applications filed pursuant to the provisions of Article 21 Paragraphs 1 and 2 of the Act shall have a validity period ranging from one to five years subject to the announcement made by the central competent authority based on the product classification and characteristics.Where an extension shall be required, a pertinent application form complete with the permit document and the documents or information herein prescribed in Article 3 shall be filed with the central competent authority for extension approbation within three months before expiration. The applicant shall pay the review fee when filing an extension application. The maximum validity period of the extended permit document shall be five years. Where issuance of a new certificate shall be necessary, a certificate processing fee shall be collected.
中文原文 食品與相關產品查驗登記及許可文件管理辦法第5條
依本法第二十一條第一項及第二項規定向中央主管機關申請之許可文件,其有效期間為一年至五年,由中央主管機關依產品類別及特性公告之。
前項有效期間屆滿需展延者,應於期滿前三個月內,填具申請書,檢附許可文件及第三條所定文件、資料,向中央主管機關申請展延,並繳納審查費。
每次核定展延之期間,不得超過五年;其應換發新證者,並應繳納證書費。

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