Your vehicle was allowed in the bus lane
Not every vehicle is banned from a bus lane. Buses, licensed taxis/SPSVs, and pedal cycles are always allowed. Motorcycles are allowed only if the bus lane sign says so. If your vehicle falls into one of these permitted groups, you did not break any rule.
Legal basis
Road Traffic (Traffic and Parking) Regulations 1997 (S.I. No. 182/1997) — specified classes (buses, taxis/SPSVs, pedal cycles; motorcycles where indicated) are permitted to use a with-flow bus lane.
How to identify this in your case
Does your vehicle belong to one of these groups — bus, licensed taxi or SPSV, pedal cycle, or motorcycle? If you are a motorcycle rider, check whether the sign at that bus lane listed motorcycles as permitted users. If yes, this ground may apply to you.
Sample appeal wording
formal
Replace [PARKING DATE], [NtK DATE] etc. with your own dates before sending.
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