Standards Governing the Drug Abuse Urine Testing Laboratories Established by Government Agencies Article 7

The responsible person, certifying scientist, testers and other personnel of a testing laboratory all shall have a positional representative, and records in written form shall be taken about the representation.
中文原文 政府機關濫用藥物尿液檢驗實驗室設置標準第7條
實驗室檢驗負責人、品管人員、檢驗人員及其他人員,均應設有職務代理人,並應就其職務代理情形製作書面紀錄。

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