Effective date: July 1, 1964 (Order No. 55567)
Chapter revised effective October 21, 1974 (Order No. 60922)
Regulation .02A amended effective April 10, 1995 (22:7 Md. R. 538)
Regulation .02B, C amended effective February 7, 2000 (27:2 Md. R. 145)
Regulation .03 repealed effective May 5, 1986 (13:9 Md. R. 1031)
Regulation .04 amended effective May 5, 1986 (13:9 Md. R. 1031); December 25, 1989 (16:25 Md. R. 2714); July 20, 1992 (19:14 Md. R. 1285)
Regulation .04B amended effective April 10, 1995 (22:7 Md. R. 538); December 29, 1997 (24:26 Md. R. 1759); February 7, 2000 (27:2 Md. R. 145); March 26, 2007 (34:6 Md. R. 629)