Adopted January 31, 1979
Revised August, 1982
Revised April, 1983
Revised March 26, 1986
Revised July 29, 1986
Revised June 15, 1988
Revised October 19, 1988
Revised May 24, 1989
Revised October 17, 1990
Revised November 28, 1990
Revised June 21, 1995
Revised December 1999
Revised May 17, 2000
Revised June 21, 2000
Revised September 27, 2000
Revised January 17, 2001
Revised May 16, 2001
Revised January 21, 2004
Revised April 21, 2004
Revised May 19, 2004
Revised December 15, 2004
Revised April 20, 2005
Revised September 21, 2005
Revised November 16, 2005