Va. Code Ann. § 3.2-6577

If an adopted dog or cat is lost or stolen or dies before the animal is sterilized and before the date by which the dog or cat is required to be sterilized, the new owner shall, within seven days of the animal's disappearance or death, notify the releasing agency of the animal's disappearance or death. Any person who violates this section shall be subject to a civil penalty not to exceed $25.