Regulations Governing the Management of Import/Export Clearance for Transportation means Article 37-1

The captain of an import vessel or the sea carrier shall submit declarations to the Customs in accordance with the followings:1. When discharging the cargo in ports of Taiwan, import cargo manifest and container bay plan shall be submitted to the Customs within 5 hours before the arrival at the discharge port.2. When discharging the cargo in ports of offshore islands of Taiwan, import cargo manifest shall be submitted to the Customs before the arrival at the discharge port.Directions relating to the scope, executive stages, or mercy period etc. for the above-mentioned regulations shall be announced by Customs Administration of Ministry of Finance (hereinafter referred to as Customs Administration).When transmitting import cargo manifest or container bay plan, the captains or the carriers are not required to submit those documents in writing unless receiving written notification from Customs.When transmitting container bay plan to the transportation authority in accordance with the time prescribed in the subparagraph 1 of first paragraph, the captains or the carriers are not required to submit the container bay plan to the Customs.
中文原文 運輸工具進出口通關管理辦法第37-1條
進口船舶之船長或船舶所屬運輸業者,應依下列規定向海關申報:
一、船舶於臺灣本島港口卸貨者,應於船舶抵達卸貨港口前五小時完成進口貨物艙單及貨櫃艙位配置圖之申報。
二、船舶非於臺灣本島港口卸貨者,應於船舶抵達卸貨港口前完成進口貨物艙單之申報。
前項規定之適用態樣、執行階段或寬限期等相關作業事項,由財政部關務署(以下簡稱關務署)公告之。
船長或船舶所屬運輸業者以電腦連線方式申報進口貨物艙單、貨櫃艙位配置圖者,得免送書面文件。
但海關於必要時,得要求提供書面文件,船長或船舶所屬運輸業者應即配合辦理。
進口船舶之船長或船舶所屬運輸業者已依第一項第一款規定時限向交通部航港局傳輸貨櫃艙位配置圖者,得免再向海關連線傳輸該艙位配置圖。

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