2 Va. Admin. Code § 5-585-1710
If a detergent-sanitizer is used to sanitize in a cleaning and sanitizing procedure where there is no distinct water rinse between the washing and sanitizing steps, the agent applied in the sanitizing step shall be the same detergent-sanitizer that is used in the washing step.
§ 3.2-5121 of the Code of Virginia.
Derived from Virginia Register Volume 24, Issue 2, eff. October 16, 2007.