Va. Code Ann. § 56-439.1

Whenever any horses, cattle, or other livestock are injured or killed by the cars or locomotives operating on a railroad, the section master or employee of the railroad having charge of the road at the place where the injury or death occurred shall, if he knows of the incident or should have known of it, within seventy-two hours, notify the owner of the animal or animals or the local law-enforcement agency of the injury or death and the location of the incident in relationship to state routes as well as railroad mile posts. Disposal of any such animal or animals without proper notification shall constitute a Class 1 misdemeanor.