Regulations Governing the Certification for Aviation Products, Appliances and Parts Article 64

Each manufacturer holding a TSOA shall permanently and legibly mark his article with applicable TSO numbers. The CAA may withdraw the TSOA when the product marked as a TSO does not meet the performance standards of the applicable TSO.
中文原文 航空產品與其各項裝備及零組件適航檢定管理規則第64條
技術標準件核准書持有人應依技術標準規定編號標示其產品。
技術標準件核准書持有人,將技術標準規定之編號標示於不符合相關技術標準規定之產品時,民航局得廢止其技術標準件核准書。

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