67 Pa. Code § 171.137
Supplemental security locks installed on doors shall be equipped with an ignition system or an audiovisual alarm located in the driver’s compartment.
The provisions of this § 171.137 issued under the Vehicle Code, 75 Pa.C.S. § § 4103, 4551—4553 and 6103.
The provisions of this § 171.137 adopted September 13, 1996, effective September 14, 1996, 26 Pa.B. 4411.