Md. Code Regs. 09.22.01.13
Regulation .13 adopted effective March 23, 1987 (14:6 Md. R. 713)
Regulation .13 amended effective June 11, 1990 (17:11 Md. R. 1343)
Regulations .13 adopted effective June 22, 1992 (19:12 Md. R. 1133)
Regulation .13A amended as an emergency provision effective April 25, 1996 (23:10 Md. R. 728); emergency status expired July 15, 1996
Regulation .13A amended as an emergency provision effective July 1, 1997 (24:15 Md. R. 1060); emergency status expired December 1, 1997; amended permanently effective March 9, 1998 (25:5 Md. R. 368)
Regulation .13A amended effective September 4, 2000 (27:17 Md. R.1618)
Regulation .13A amended as an emergency provision effective October 1, 2002 (29:23 Md. R. 1807); emergency status expired April 2, 2003
Regulation .13A amended as an emergency provision effective March 1, 2003 (30:13 Md. R. 851); emergency status extended at 30:25 Md. R. 1843); emergency status expired January 1, 2004; amended permanently effective January 5, 2004 (30:26 Md. R, 1913)
Regulation .13A amended as an emergency provision effective October 15, 2009 (36:23 Md. R. 1815); emergency status expired effective April 9, 2010; amended permanently effective June 14, 2010 (37:12 Md. R. 800)
Regulation .13B amended as an emergency provision effective July 25, 1997 (24:17 Md. R. 1208); emergency status expired January 25, 1998; amended permanently effective March 9, 1998 (25:5 Md. R. 368)
Regulation .13B amended effective September 4, 2000 (27:17 Md. R. 1618); September 4, 2000 (27:17 Md. R. 1619)
Regulation .13D amended effective December 14, 1998 (25:25 Md. R. 1831); May 2, 2011 (38:9 Md. R. 552); amended effective 43:21 Md. R. 1165, eff. 10/24/2016; amended and recodified from Regulation .14 effective 44:9 Md. R. 437, eff. 5/8/2017; amended effective 50:8 Md. R. 337, eff. 5/1/2023