1.Promulgated on December 26, 1929
Effective from July 1, 1931
2.Amended on April 12, 1946
3.Amended on July 19, 1966
4.Amended on March 25, 1968
5.Amended on September 11, 1969
6.Amended on September 4, 1970
7.Amended on May 9, 1980
8.Amended on December 7, 1983
9.Amended on November 10, 1990
10.Amended on June 25, 1997
11.Amended on November 15, 2000
12.Amended on November 12, 2001
13.Amended on June 22, 2005
14.Amended on February 3, 2006
15.Amended on January 21,2009
16.Amended on April 29,2009
17.Amended on May 27,2009
18.Amended on June 29,2011
19.Amended on November 9, 2011
20.Amended on December 28 ,2011
21.Amended on January 4 ,2012
22.Amended on August 8 ,2012
23.Amended on January 16 ,2013
24.Amended on January 30 ,2013
25.Amended on May 20 ,2015
26.Amended on July 1 ,2015
27.Amended on August 1 ,2018
28.Amended on December 29 ,2021