Aircraft Flight Operation Regulations Article 285-23

The operator of an airplane equipped with an airborne collision avoidance system (ACAS II) shall ensure that each flight crew member has been appropriately trained to competency in the use of ACAS II equipment and the avoidance of collisions.
中文原文 航空器飛航作業管理規則第285-23條
航空器使用人對裝置空中防撞系統之飛機,應確認其飛航組員皆經適當訓練,具備使用空中防撞系統及避撞操作之能力。

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