Free Traffic Legal Advice

Please see the first link in my profile re the PCN.

Just an update on my representation. I've argued that the PCN failed to contain mandatory information at Part 2 Para. 4((a)(v) referencing Joanna Chalko v London Borough of Havering.
Got rejected with only a single paragraph referring to the argument:

Furthermore, I can advise that the Council is satisfied that the postal PCN has been served
correctly per the terms set out within the London Local Authorities and Transport for London
Act 2003

Waltham Forest has a "CCTV Code of Practice" , where on page 17 it says that "Signs will be placed on the approaches to and within the areas covered by the CCTV cameras." There is no sign indicating CCTV enforcement anywhere near this no entry restiction:

• Location
• Street View link

At 01:54am I thought I would not cause any nuisance (there are many two-way streets in the borough that are effectively much narrower than this stretch of Station Road).
This resulted in a fresh PCN:

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I believe I've read somewhere that camera warning signs are not a legal requirement, but want to check whether a council adopting a formal rule on the CCTV enforcement transparency becomes constrained in its enforcement (given that vehicle drivers make decisions on how to comply with traffic-calming restrictions, based in part on expected enforcement).

Many thanks for your opinions!