4 Va. Admin. Code § 20-380-60
§ 28.2-201 of the Code of Virginia.
Derived from VR450-01-0050 § 6, eff. August 1, 1988; amended, Virginia Register Volume 8, Issue 22, eff. July 1, 1992; Volume 10, Issue 25, eff. July 29, 1994; Volume 11, Issue 3, eff. October 4, 1994; Volume 11, Issue 7, eff. December 1, 1994; Volume 11, Issue 16, eff. April 4, 1995; Volume 13, Issue 1, eff. September 1, 1996; Volume 13, Issue 14, eff. March 1, 1997; Volume 14, Issue 3, eff. October 7, 1997; Volume 14, Issue 16, eff. March 31, 1998; Volume 19, Issue 14, eff. March 1, 2003; Volume 23, Issue 21, eff. October 1, 2007; Volume 26, Issue 15, eff. May 1, 2010; Volume 35, Issue 2, eff. September 1, 2018; Volume 37, Issue 17, eff. April 1, 2021.