Enforcement Rules of the Income Tax Act Article 10-1

Disasters of force majeure stated in Subparagraph 2-(2)-(iv), Paragraph 1 of Article 17 and Article 35 of the Act refer to earthquakes, storms, floods, droughts, frost, fire, debris flow, tsunamis, epidemics, plagues of insects, wars, nuclear emergency, gas explosions, or other unforeseeable and unavoidable disasters or events that cannot be resisted by human force.To receive deduction for losses in disasters of force majeure described in the preceding paragraph, the taxpayer shall prepare a checklist of losses and certification papers within 30 days after the disaster happens to report to the tax authority in charge which may then send its staff to conduct investigation.Where the taxpayer fails to report to the tax authority in charge within the period prescribed in the preceding paragraph to request that the aforesaid office conduct an investigation but is able to prove that his or her losses sustained in the disaster are true by providing sufficient documents, the tax authority in charge shall verify the losses by checking such documents.
中文原文 所得稅法施行細則第10-1條
本法第十七條第一項第二款第二目之4及第三十五條所稱不可抗力之災害,指震災、風災、水災、旱災、寒害、火災、土石流、海嘯、瘟疫、蟲災、戰爭、核災、氣爆,或其他不可預見、不可避免之災害或事件,且非屬人力所能抗拒者為限。
前項不可抗力災害損失之扣除,應於災害發生後三十日內檢具損失清單及證明文件,報請該管稽徵機關派員勘查。
未依前項規定報經該管稽徵機關派員勘查,而能提出確實證據證明其損失屬實者,該管稽徵機關仍應核實認定。

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