Any person engaged in lawful hunting with a dog shall ensure that the dog has a tag identifying the name of the owner or custodian and a current phone number. The tag shall be securely fastened to a substantial collar by the owner or custodian and worn by such dog.
Hunting with dogs; dogs to wear tags
Va. Code Ann. § 29.1-516.2, under Chapter 5. Wildlife and Fish Laws..
Va. Code Ann. § 29.1-516.2