For all LOCAL authority issued parking contraventions....Forms TE7 and TE9 are needed. For all LOCAL authority CCTV contraventions (bus lane, yellow box junctions, no right turn etc....Forms PE2 and PE3 are needed.   For Transport for London congestion charges ....forms PE2 and PE3 are needed.   For ULEZ PCN's use the online system Challenge a PCN - Transport for London (tfl.gov.uk)   For unpaid Dartford Crossing tolls....Forms TE7 and TE9 are needed.