18 Va. Admin. Code § 65-20-120
§§ 54.1-2400 and 54.1-2803 of the Code of Virginia.
Derived from VR320-01-2 § 4.1, eff. October 24, 1990; amended, Virginia Register Volume 8, Issue 25, eff. October 7, 1992; Volume 11, Issue 14, eff. May 3, 1995; Volume 15, Issue 7, eff. January 20, 1999; Volume 16, Issue 7, eff. January 19, 2000; Volume 24, Issue 24, eff. September 3, 2008.