Regulations Governing Certification by Professional Environmental Engineers Article 23 Law: Regulations Governing Certification by Professional Environmental Engineers Chinese: 環境工程技師簽證規則第23條 The amendment of Article 3, Article 17 and paragraph 1 of Article 20 announced on the date of 15 March 2010 will be in effect 6 months after the announcement of amendment. 中文原文 環境工程技師簽證規則第23條 中華民國九十九年三月十五日修正發布之第三條、第十七條及第二十條第一項規定，自修正發布後六個月施行。
