Regulations on Technician Skills Certification and Issuance of Certificates Article 38

Persons with invigilator and marker qualification shall not refuse without justifiable reasons to perform invigilation or marking duties at designated field test sites.Persons in violation of the provision referred to the preceding paragraph shall not be selected and invited to perform invigilation and marking duties for two years.
中文原文 技術士技能檢定及發證辦法第38條
具監評人員資格者,無正當理由不得拒絕至指定術科測試場地擔任監評工作。
違反前項規定者,應停止遴聘其擔任監評工作二年。

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