In this Chapter the following definitions apply:
(1) Primary Violation. A violation of the Pennsylvania Vehicle Code, 75 Pa. C.S. §§ 101 et seq., observed within the city of Philadelphia, that does not constitute a secondary violation.
(2) Secondary Violation. Violations of the following provisions of the Pennsylvania Vehicle Code, and such other violations as are identified by the Police Department by regulation:
(a) Title 75 Pa. C.S. § 1301, Registration of Vehicles, when the vehicle had been previously registered within the Commonwealth within sixty days of the observed infraction.
(b) Title 75 Pa. C.S. § 1310.1(c), Temporary Registration Permits, where the violation is related to the location of the permit but the permit is otherwise clearly displayed in the rear window.
(c) Title 75 Pa C.S. § 1332(a), Display of Registration Plate, where the violation pertains to a plate not securely fastened to the vehicle but such plate is otherwise clearly displayed.
(d) Title 75 Pa. C.S. § 4302, Periods For Requiring Lighted Lamps, where the violation for lighting equipment not illuminating is limited to a single brake light, head light, or running light; a single bulb in a larger light of the same; or any other single light or bulb of a vehicle light required by 75 Pa. C.S. § 4302.
(e) Title 75 Pa. C.S. § 4524(c), Other Obstruction.
(f) Title 75 Pa. C.S. § 4536, Bumpers.
(g) Title 75 Pa. C.S. § 4703, Operation of Vehicle Without Official Certificate of Inspection.
(h) Title 75 Pa. C.S. § 4706(c)(5), Unlawful Operation Without Evidence of Emission Inspection.