Regulations Governing Drug Abuse Urine Testing Operations Article 20 Law: Regulations Governing Drug Abuse Urine Testing Operations Chinese: 濫用藥物尿液檢驗作業準則第20條 For the drug abuse urine used for juridical cases, the limits of quantification may be used as cutoff values where necessary, without being limited by the provisions of Articles 15 and 18. 中文原文 濫用藥物尿液檢驗作業準則第20條 司法案件之濫用藥物尿液，必要時得採用最低可定量濃度為閾值，不受第十五條、第十八條規定限制。
