Aircraft Flight Operation Regulations Article 197

Following an act of unlawful interference, the pilot-in-command (PIC) shall submit, without delay, a report of such an act to CAA and the designated local authority.
中文原文 航空器飛航作業管理規則第197條
機長於不當干擾行為發生並採取處置行為後,應向民航局及發生地之相關主管機關提出報告。

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