Va. Code § 3.2-6563
Any humane investigator may lawfully cause to be euthanized any animal in his charge or found abandoned or not properly cared for when, in the judgment of the humane investigator and two reputable citizens called to view the same in his presence, and who shall give their written certificate, the animal appears to be injured, disabled or diseased, past recovery, or the injury, disease or disability is such that a reasonable owner would cause the animal to be euthanized.
Any humane investigator shall make every reasonable effort immediately to notify the owner of the animal that the humane investigator intends for the animal to be euthanized. The owner shall have a right to select one of the two reputable citizens called to view the animal and give written certificate of the animal's condition. In no event shall the determination as to disposition of the animal be delayed beyond 48 hours after such humane investigator first decides the animal should be euthanized. In the event that the two citizens called to give such certificate are unable to agree, they shall select a third reputable citizen and his decision shall be final.
Va. Code § 3.2-6563