22 Va. Admin. Code § 40-25-60
Derived from VR615-01-51 § 6, eff. February 1, 1996; amended, Virginia Register Volume 23, Issue 20, eff. August 1, 2007; Volume 29, Issue 5, eff. December 5, 2012; renumbered, Virginia Register Volume 30, Issue 2, eff. October 23, 2013.