1.Presidential Decree Hua-Zong-Yi-Yi.Zi No. 09200017680 promulgated February 6, 2003; complete text of 20 articles, taking immediate effect.
2.Presidential Decree Hua-Zong-Yi-Yi.Zi No. 09900123181 issued May 19, 2010: Amendment of Article 2.
3.Presidential Decree Hua-Zong-Yi-Yi.Zi No. 10000291431 issued December 28, 2011: Amendment of Articles 2, 14, and 15.
4.Presidential Decree Hua-Zong-Yi-Yi.Zi No. 10200225101 issued December 11, 2013: Amendment of Article 2.
5.Presidential Decree Hua-Zong-Yi-Yi.Zi No. 10300092671 issued June 18, 2014: Amendment of Article 14.
6.Presidential Decree Hua-Zong (1) Yi.Zi No. 10800045121 promulgated May 8. 2019. Amendments to full text of 21 articles, taking effect from the date of promulgation.