The Law of Ships Article 53
The validity of a Passenger Ship Safety Certificate, which is to be ratified by the shipping administration authority, shall not exceed one year, depending on the ship's seaworthiness.In case of entries in the Passenger Ship Safety Certificate being altered or within one month before the expiry of the Certificate, the owner of the passenger ship shall apply for renewal.Ships shall not carry passengers upon expiry of the Passenger Ship Safety Certificate and before renewal of the Certificate.
中文原文 船舶法第53條
客船安全證書之有效期間以一年為限，由航政機關視其適航性核定。
客船安全證書記載事項變更或證書之有效期間屆滿前一個月內，客船所有人應申請換發。
客船安全證書有效期間屆滿，於換發證書前，不得搭載乘客。
客船安全證書記載事項變更或證書之有效期間屆滿前一個月內，客船所有人應申請換發。
客船安全證書有效期間屆滿，於換發證書前，不得搭載乘客。