1.Promulgated on December 30, 1930
2.Amended on May 21, 1937
3.Amended on June 14, 1943
4.Amended on December 28, 1948
5.Amended on June 12, 1974
6.Amendment to Articles 4, 15, 25, 40 promulgated on January 28,1981
7.Amendment to Articles 15, 23 and addition of Articles 47-1, 47-2, 47-3, 47-4 promulgated on January 14, 1985
8.Amendment to Articles 5, 7, 8, 12, 15, 21, 23, 26, 35, 36, 40, 47-3, 49 and addition of Articles 15-1, 20-1, 20-2, 23-1, 25-1, 25-2, 46-1, 49-1, 49-2 promulgated on June 24, 1988
9.Amendment to Article 27 promulgated on August 2, 1991
10.Amendment to Article 13 promulgated on December 5, 1994
11.Amendment to Articles 20-2, 25-2, 46-1 promulgated on June 30, 1999
12.Amendment to Articles 3, 25, 26, 33, 50 promulgated on July 19, 2000
13.Amendment to Articles 4, 5, 12, 13, 15-1, 20-1, 23, 25, 25-2, 40, 43, 46, 46-1,47-2, 47-4, 49-1, 49-2 and addition of Articles 25-3, 27-1, 47-5 promulgated on January 20, 2001
14.Amendment to Article 20-1 promulgated on June 23, 2004
15.Amendment to Articles 25, 46-1 promulgated on June 20, 2007
16.Amendment to Article 8 promulgated on August 6, 2008
17.Amendment to Article 27 promulgated on January 23, 2009
18.Amendment to Article 16,51 promulgated on May 27,2009
19.Amendment to Articles 6, 8, 19, 25-1, 26, 33 and addition of Articles 6-1, 7-1, 11-1, 11-2, 11-3, 11-4, 11-5, 11-6 promulgated on January 30, 2012
20.Amendment to Article 15-1,16,18,20-2,25-2 promulgated on June 4 ,2014
21.Amendment to Article 47-1,47-2,47-3 promulgated on November 30 ,2016
22.Amendment to Article 12,13 promulgated on February 3 ,2021