Pennsylvania Statutes Title 3 P.S. Agriculture § 459-802. Burdens of proof

(a) Licensing.--In any proceeding under this act, the burden of proof of the fact that a dog has been licensed, or has been imported for breeding, trial, hunting, performance event or show purposes, or that a dog is under the required licensed age of three months as hereinbefore provided, shall be on the owner of such dog. Any dog not bearing a license tag shall prima facie be deemed to be unlicensed except as provided under this act. It is unlawful for any person dealing in and with dogs, to use a false or fictitious name unless such name is registered with the Commonwealth.

(b) Age and name.--In a proceeding under this act, the burden of proof of the age of a dog shall be on the owner of the dog. It shall be unlawful for a person dealing in and with dogs to use a false or fictitious name unless the name is registered with the Commonwealth.