1. Promulgated on July 14, 1970
2. Amended on July 10, 1973
3. Amended on March 9, 1982
4. Amended on July 18, 1984
5. Amended on April 8, 1992
6. Amended on june 23, 1994
7. Amended on February 27, 1997
8. Amended on October 9, 1998
9. Amended on March 26, 2003
10. Amended on October 23, 2007