Regulations Governing the Management of Import/Export Clearance for Transportation means Article 74

Before an aircraft takes off and departs, the captain or the carrier shall submit and sign the following documents to the Customs for declaration:1. Export cargo manifest;2. Departure and transit passenger manifest unless the manifest is the same as the arrival and transit passenger manifest submitted upon arrival;3. Departure onboard service crew manifest unless the manifest is the same as the crew manifest submitted upon arrival;and4. Loading lists with material number or name and quantity of meals, beverages and alcoholic drinks which are frequently used and dedicated for international flights and tax-free merchandises, including tobacco and alcoholic drinks for sale onboard. However, the seal numbers, which were declared in accordance with the proviso in subparagraph 3, paragraph 6 of Article 71 and the seals are intact, could be declared instead.Directions relating to the scope, implementation stages, or grace period etc., for submitting export cargo manifest prescribed in the first subparagraph mentioned above shall be announced by Customs Administration.An export cargo manifest which includes consolidated shipment cargo can be filed by air forwarders, while the said consolidated shipment cargo shall be specified a house manifest with identical format to export cargo manifest shall also be declared.When transmitting manifest, the captains or the carriers are not required to submit manifest in writing. However, they are required to submit that to the Customs within 10 days after receiving written notification.Before aircraft departure, the captain or the carrier shall prepare and sign the list of posts for customs inspection.
中文原文 運輸工具進出口通關管理辦法第74條
飛機起飛出境前,機長或飛機所屬運輸業者應向海關申報下列文件:
一、出口貨物艙單。
二、出境及過境旅客名單。
但與入境時所送過境旅客名單相同者,免送。
三、出境隨機服務人員名單。
但與入境時所送名單相同者,免送。
四、裝載上機專供航行國際航線頻繁提用之餐點、飲料(含酒類)及機上販售之商品(含菸酒)清單明細(含料號或品名及數量)。
但依第七十一條第六項第三款但書規定申報封條號碼,且未拆封者,得申報原封條號碼代替之。
前項第一款出口貨物艙單申報時限之適用態樣、執行階段或寬限期等相關作業事項,由關務署公告之。
出口貨物艙單所列貨物,含有併裝貨物者,除得由空運承攬業者申報外,應在艙單上註明併裝貨物,並須申報分艙單,其申報內容同出口貨物艙單。
機長或飛機所屬運輸業者以電腦連線方式申報貨物艙單者,免向海關遞送書面文件。
但海關事後有個案稽核需求時,經書面通知應行遞送書面文件者,應於海關書面通知送達之翌日起十日內遞送書面文件。
飛機起飛出境前,機長或飛機所屬運輸業者應檢具經其簽章之郵件清單,以備隨時交海關查驗。

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