1.Promulgated on January 24, 1931 ; Effective from May 5, 1931
2.As amended on June 3, 1985
3.Amended on January 2, 2008
4.Amended on May 07, 2008
5.Amended on June 10, 2009
6.Amended Article 11 on December 30, 2009
7.Amended Article 1-3 on December 26, 2012
8.Amended Article 1-1, Article 1-2 on January 30, 2013