Regulations Governing Drug Abuse Urine Testing Operations Article 30
The linearity, precision and accuracy of the confirmatory test methods of the testing institutions shall be validated at least once every year.
中文原文 濫用藥物尿液檢驗作業準則第30條
檢驗機構確認檢驗方法之線性、精密度及準確性，應至少每年評估一次。