Md. Code Regs. 10.09.65.21
Regulations .21 adopted effective March 10, 1997 (24:5 Md. R. 408)
Regulation .21 amended effective December 25, 2000 (27:25 Md. R. 2281); December 24, 2001 (28:25 Md. R. 2190); July 7, 2003 (30:13 Md. R. 854)
Regulation .21 amended as an emergency provision effective January 5, 2005 (32:6 Md. R. 634); amended permanently effective April 11, 2005 (32:7 Md. R. 679)
Regulation .21B amended effective June 19, 2006 (33:12 Md. R. 997); April 19, 2010 (37:8 Md. R. 615)
Regulation .21 amended effective 42:3 Md. R. 316, eff.2/16/2015; recodified to 10.67.04.21 effective 46:22 Md. R. 976, eff. 11/1/2019