4 Va. Admin. Code § 20-252-80
§ 28.2-201 of the Code of Virginia.
Derived from Virginia Register Volume 13, Issue 8, eff. December 6, 1996; amended, Virginia Register Volume 14, Issue 8, eff. January 1, 1998; Volume 15, Issue 18, eff. May 1, 1999; Volume 31, Issue 17, eff. April 1, 2015; Volume 31, Issue 19, eff. May 1, 2015; Volume 33, Issue 17, eff. April 1, 2017; Volume 35, Issue 2, eff. September 1, 2018; Volume 35, Issue 21, eff. May 28, 2019; Volume 36, Issue 4, eff. September 25, 2019; Volume 36, Issue 26, eff. August 1, 2020; Volume 40, Issue 18, eff. April 1, 2024.