Income Tax Act Article 38

Losses incurred not in the course of operation of business or subsidiary business, family expenses, surcharges for delinquent reporting, non-reporting, and delinquent payment of tax as provided in various tax laws, and various fines shall not be considered as expense or loss.
中文原文 所得稅法第38條
經營本業及附屬業務以外之損失,或家庭之費用,及各種稅法所規定之滯報金、怠報金、滯納金等及各項罰鍰,不得列為費用或損失。

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