4 Va. Admin. Code § 20-450-30
§ 28.2-201 of the Code of Virginia.
Derived from VR450-01-0059 § 3, eff. July 1, 1990; amended, Virginia Register Volume 7, Issue 8, eff. December 1, 1990; Volume 10, Issue 26, eff. September 1, 1994; Volume 11, Issue 17, eff. April 14, 1995; Volume 17, Issue 18, eff. May 1, 2001; Volume 21, Issue 13, eff. February 2, 2005; Volume 22, Issue 20, eff. May 26, 2006; Volume 23, Issue 17, eff. March 30, 2007; Volume 24, Issue 21, eff. June 1, 2008; Volume 25, Issue 21, eff. June 1, 2009; Volume 26, Issue 22, eff. July 1, 2010; Volume 27, Issue 21, eff. June 1, 2011; Volume 28, Issue 23, eff. July 1, 2012; Volume 29, Issue 23, eff. July 1, 2013; Volume 30, Issue 25, eff. August 1, 2014; Volume 31, Issue 14, eff. February 26, 2015; Volume 33, Issue 2, eff. September 1, 2016; Volume 33, Issue 19, eff. May 1, 2017; Volume 34, Issue 23, eff. July 1, 2018; Volume 35, Issue 19, eff. May 1, 2019; Volume 36, Issue 23, eff. July 1, 2020; Volume 38, Issue 15, eff. March 1, 2022.