1.Promulgated on January 01, 1932
2.Amended on March 01, 1948
3.Amended on September 01, 1948
4.Amended on August 17, 1955
5.Amended on May 15, 1958
6.Amended on October 23, 1968
7.Amended on August 28, 1989
8.Amended on September 16, 1996
9.Amended on March 27, 2002
10.Amended on July 15, 2020