Cosmetics Good Manufacturing Practice Regulations Article 38

In order to prevent the misuse of materials after the defined period of storage, the cosmetics manufacturer shall establish a re-evaluation system for those materials to determine the suitability for use.
中文原文 化粧品優良製造準則第38條
為防止逾預定儲存期間原物料之誤用,化粧品製造業者應建立適當之原物料再評估系統,確認其使用合適性。

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