Enforcement Rules of Consumer Protection Act Article 42

The Act does not apply to goods which had been placed into the stream of commerce or services which had been rendered prior to the date of enforcement.
中文原文 消費者保護法施行細則第42條
本法對本法施行前已流通進入市場之商品或已提供之服務不適用之。

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