Aircraft Flight Operation Regulations Article 66

A flight shall not be commenced unless the aircraft carries sufficient fuel and oil to ensure that it can safely complete the flight. While calculating the amount of fuel and oil to be carried, the following must be taken into account:1. Forecast meteorological conditions;2. Expected air traffic control routings and traffic delays;3. Instrument approach and possible missed approach over destination aerodrome; and4. The procedures prescribed in the operations manual for loss of pressurization, where applicable, or failure of one power-unit while en-route.5. Any other contingencies that may delay aircraft landing or increased fuel and/or oil consumption.6. CAA approved contingency fuel and oil for any other expected and unexpected delay.CAA may adjust the fuel and oil regulatory requirements for the operations in special routes or aerodromes based on the safety of flight.
中文原文 航空器飛航作業管理規則第66條
航空器應攜帶足夠之燃油及滑油,計算油量時應考慮下列因素:
一、氣象預報情況。
二、預期之航管延誤。
三、於目的地機場作儀器進場及誤失進場。
四、於執行操作手冊所列失壓或航路上一具發動機失效之程序。
五、其他可能延誤航空器降落之情況。
六、經民航局核准供應航空器非預期及不正常燃油消耗所需之應變油量。
民航局得依飛航安全所需,酌予增減飛航特殊航路或機場所需用油。

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