22 Va. Admin. Code § 40-740-60
Derived from VR615-46-01 § 2.5, eff. December 6, 1989; amended, Virginia Register Volume 20, Issue 20, eff. August 1, 2004; Volume 23, Issue 10, eff. March 1, 2007; renumbered, Virginia Register Volume 30, Issue 1, eff. October 9, 2013.