Regulations Governing Drug Abuse Urine Testing Operations Article 10
The testing institution shall store the urine specimen (B) in freezer below -20°C, and all access operations shall be recorded in the custody and control form.
中文原文 濫用藥物尿液檢驗作業準則第10條
檢驗機構對於尿液檢體（乙），應保存於低於攝氏零下二十度之冷凍櫃，其存取均應記錄於檢體監管紀錄表。