Boyathebck
Noted the small print of your posting. You therefore appreciate that NCPs ticket is in respect of an implied contract rather than anything to do with statute [Parking Charge Notice as opposed to Penalty Charge Notice].
Given this fundamental difference, there are no technical niceties to make the ticket void. It is just an invoice. If the date is wrong on an invoice, or it says "red sofa" instead of "green sofa", it's just a mistake. Once pointed out, the mistake can be rectified and the invoice reissued.
If this really is NCP acting on their own, as opposed to the agency work they do for some councils, I certainlt wouldn't bother appealling - they have no right to fine you in the first place.
Private Parking Companies/Charges - Advice Paper (everything you need to know)