Regulations Governing Quarantine at Ports Article 38
Quarantine officials on duty for performing quarantine shall wear uniforms or identification tags.
中文原文 港埠檢疫規則第38條
檢疫單位工作人員執行檢疫職務時，應穿著制服或配戴識別證。
English translation for reference only; the Chinese text prevails. Not legal advice.