Effective date: April 3, 1964 Regulation .01 amended effective September 12, 1983 (10:18 Md. R. 1609) Regulation .01B amended effective May 29, 1981 (8:11 Md. R. 975); July 1, 1987 (14:7 Md. R. 833) Regulation .02 adopted effective September 12, 1983 (10:18 Md. R. 1609) Chapter revised effective January 15, 1989 (15:27 Md. R. 3131) Regulation .01 repealed and new Regulation .01 adopted effective March 15, 1992 (19:4 Md. R. 474) Regulation .01 amended effective January 15, 1996 (23:1 Md. R. 29) Regulation .01 amended as an emergency provision effective January 1, 2002 (29:4 Md. R. 415); amended permanently effective April 29, 2002 (29:8 Md. R. 701) Regulation .01 amended effective March 26, 2007 (34:6 Md. R. 627) Regulation .01C amended effective January 26, 1998 (25:2 Md. R. 77) Regulation .01D amended effective March 3, 2003 (30:4 Md. R. 317) Regulation .01F amended effective July 1, 1996 (23:13 Md. R. 945); March 20, 2000 (27:5 Md. R. 585) Regulation .01Q amended effective January 26, 1998 (25:2 Md. R. 77); March 20, 2000 (27:5 Md. R. 585) Chapter repealed effective January 14, 2010 (37:1 Md. R. 14)