Act on the Prevention and Control of Infectious Animal Diseases Article 38-1

Food and catering waste carried by vehicles, ships or aircraft from abroad is not allowed to leave the vehicle, ship or aircraft.If it leaves, it shall be transported and destroyed in a manner approved by the import/export animal quarantine authorities.
中文原文 動物傳染病防治條例第38-1條
來自國外之車、船或航空器所載廚餘,不得離開該車、船或航空器;離開者,應以輸出入動物檢疫機關核准之方式運送及銷燬。

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