6 Va. Admin. Code § 40-20-60
No modifications shall be made to any breath test device by an agency without the written consent of the department.
§ 9.1-1110 of the Code of Virginia.
Former 6VAC20-190-60 derived from Virginia Register Volume 17, Issue 3, eff. November 23, 2000; amended, Virginia Register Volume 20, Issue 4, eff. December 3, 2003; amended and renumbered as 6VAC40-20-60, Virginia Register Volume 22, Issue 10, eff. February 22, 2006.