The fleecers are supposed to give a minimum 10 minutes grace period, so 12 minutes is hardly unreasonable during the Christmas period when it's more difficult to find a parking space and inevitably there are jams.
That's on top of the all the usual reasons these invoices are pants.
Did you do a great deal of shopping at one or more shops? If so, a first step could be to approach those shops directly to have the invoice cancelled.
If Royal Mail claim no contract exists in the first place and in any case they have immunity form tort and so cannot be sued, and If that is established law from the High Court, why don't they simply apply to have any County Court claim struck out?
pop up on the MCOL website detailed on the claimform.
register as an individual
note the long gateway number given
then log in
select respond to a claim and select the start AOS box.
then using the details required from the claimform
leave jurisdiction unticked.
click thru to the end
confirm and exit MCOL.
get a CPR 31:14 request running to the solicitors [if one is not listed send to the claimant]
no need to sign anything
you DO NOT await the return of paperwork.
you MUST file a defence regardless by day 33 from the date on the claimform [1 in the count]
It means that they have not fulfilled the requirements of Pre Action Protocol...should they proceed to litigate then you can raise that in any defence which would affect any costs claimed should they proceed to get judgment.