Va. Code § 18.2-285
It shall be unlawful for any person to hunt wildlife with a firearm, bow and arrow, slingbow, arrowgun, or crossbow in the Commonwealth while he is (i) under the influence of alcohol; (ii) under the influence of any narcotic drug or any other self-administered intoxicant or drug of whatsoever nature, or any combination of such drugs, to a degree that impairs his ability to hunt with a firearm, bow and arrow, slingbow, arrowgun, or crossbow safely; or (iii) under the combined influence of alcohol and any drug or drugs to a degree that impairs his ability to hunt with a firearm, bow and arrow, slingbow, arrowgun, or crossbow safely. Any person who violates the provisions of this section is guilty of a Class 1 misdemeanor. Conservation police officers, sheriffs, and all other law-enforcement officers shall enforce the provisions of this section.
Va. Code § 18.2-285