§ 90.26 DISPLAY OF RECEIPT; WEARING OF COLLAR AND TAG.
   (A)   Dog license receipts shall be carefully preserved by the licensees and exhibited promptly on request for inspection by any animal protection officer or other law enforcement officer. Dog license tags shall be securely fastened to a substantial collar by the owner or custodian and worn by such dog. It shall be unlawful for any person to permit any licensed dog, four months of age or over, to be off the premises of the owner at any time without wearing the license tag; except that the owner of the dog may remove the collar and license tag required by this section when the dog:
      (1)   Is engaged in lawful hunting;
      (2)   Is competing in a dog show;
      (3)   Has a skin condition which would be exacerbated by the wearing of a collar;
      (4)   Is confined; or
      (5)   Is under the immediate control of the owner.
   (B)   Any violation of this section shall be punishable as a Class IV misdemeanor.
Penalty, see § 90.99
Statutory reference: 
   Display receipts; dogs to wear tags, VA Code § 3.1-796.92