Pest Control Operators Management Regulations Article 2

When pest control operators perform operations, pest control professional technical personnel shall supervise the application personnel at the site at all times.
中文原文 病媒防治業管理辦法第2條
病媒防治業執行業務時,應由病媒防治業專業技術人員在場全程督導施藥人員執行。

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