Regulations Governing Customs Measures in Protecting the Rights and Interests of Trademark Article 4

The duration of advice protection approved by Customs shall take effect from the date of approval to the expiry of the period of the trademark right.In the event that the period of the trademark right has been renewed by the Registrar Office, the proprietor of a registered trademark may file an application to Customs for extension of advice protection period till the expiry of the renewal period of the trademark right by submitting documents of renewal proof.
中文原文 海關執行商標權益保護措施實施辦法第4條
海關核准之提示保護期間,為自核准之日起至商標權期間屆滿日止。
商標權經商標專責機關核准延展註冊者,商標權人得檢具延展證明文件,向海關申請延長提示保護期間至延展後之商標權期間屆滿日止。

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