The Law of Ships Article 14

If any certificate of a ship stipulated by this Law is missing, broken, or any alteration of entry of any certificate's registration occurs, the owner of the ship shall apply for replacement, reissuance of the certificate or change of registration within 3 months from the date of discovery or occurrence.
中文原文 船舶法第14條
本法所定之各項證照有遺失、破損,或證照登載事項變更者,船舶所有人應自發覺或事實發生之日起三個月內,申請補發、換發或變更登記、註冊。

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