Act Governing the Use of Police Weapons Article 10

After using the police weapons, the police officer must report his/her use to his/her immediate supervisors except for using a batons as a way to give directions.
中文原文 警械使用條例第10條
警察人員使用警械後,應將經過情形,即時報告該管長官。
但使用警棍指揮者,不在此限。

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