Roger wrote:
If you did not travel on the road he's stated, and can prove this by virtue of your normal movements, I believe this is more than a slip and you can legitimately confirm that you did not speed on that road because you did not use it.
Maps of your route and the road he says would be needed for the courts - as would a fair bit of bottle.
And that's not all - the S172 request can't be answered because the OP wasn't there, and once 14 days have passed after the offence a correct S172 cannot be issued.
So I reckon this dies on faulty S172 request - so the OP should
do nothing for 14 days EXCEPT get better advice from Pepipoo.