75 Pa.C.S. § 1131: Applicability of subchapter.

This subchapter does not apply to or affect:

(1) A lien given by statute or rule of law to a supplier of services or materials for the vehicle.

(2) A lien given by statute to the United States, the Commonwealth or any political subdivision.

(3) A security interest in a vehicle which is inventory held for sale or lease by a person or leased by that person as lessor and that person is in the business of selling goods of that kind.

(4) Any vehicle for which a certificate of title is not required under this chapter.