1.Announced on August 30, 1974
2.Amended on November 27, 1975
3.Amended on August 26, 1980
4.Amended on February 8, 1995
5.Amended on March 28, 2001
6.Amended on October 15, 2002
7.Amended on July 30, 2012
8.Amended on November 8, 2016
9.Amended on December 22, 2023