1. Announced on July 3,1963
2. Amended on August 1,1967
3. Amended on January 28,1975
4. Amended on July 4,1980
5. Amended on January 18,1995
6. Amended on June 5,2002
7. Amended on May 30, 2006
8. Amended on May 26, 2010
9. Amended on January 26, 2011
10. Amended on June 16, 2021
11. Amended on February 18, 2022