1.Promulgated on March 31, 1947
2.Amended on December 25, 1947
3.Amended on April 03, 1948
4.Amended on July 02, 1968
5.Amended on April 14, 1971
6.Amended on November 04, 1971
7.Amended on December 06, 1972
8.Amended on April 22, 1975
9.Amended on November 04, 1992
10.Amended on January 07, 1998
11.Amended on May 19, 2010
12. Amended on January 8, 2020