Cross Border Policing

Whilst not encouraging anyone to break the law, I often wonder how it is proved that the alleged recipient of any fine by mail has received it? That is if not signed for?

I heard of someone who received two letters in standard post saying they had committed a speeding fixed penalty, they simply shredded them. They never heard about it again.

In the event someone was required to sign they could simply answer the door and say the person no longer lives there or just sign in the wrong name or even get someone else to sign and then "forget" to pass on the letter. The prosecuting authority seems to rely upon the fear factor and integrity of the motorist to own up? I suspect that in the majority of case most people do and they are not being banned and just see points and fines as an inconvenience and a fact or driving or a stealth tax.