Pharmaceutical Good Manufacturing Practice Regulations Article 39
To ensure that the ingredients, contents, quality and purity of products ready for use are in compliance with established specifications, Chinese herbal medicine factories shall, unless other regulations apply, label aforesaid products with a usage period or expiration date as determined through stability testing; products that must be prepared before use shall be clearly labeled with the method of preparation and usage period following preparation.
中文原文 藥物優良製造準則第39條
中藥廠為確保產品於使用時，其成分、含量、品質及純度符合既定規格，除另有規定外，應標以經既定之安定性試驗確定之有效期間或保存期限；其於供使用前需先經調配者，並應明確標示配製方法及配製後之使用有效期間。