Seafarer's Service Regulations Article 70

Should a Seafarer Service Book be damaged or misplaced, the seafarer shall submit an application to the Maritime Administration for a replacement. Regarding the validity period for a replacement, the expiration date of the original Service Book shall be maintained.
中文原文 船員服務規則第70條
船員服務手冊遺失或毀損時,應填具申請書向航政機關申請補發或換發。
補發或換發之船員服務手冊有效期間,以原服務手冊為準。

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