"Joe" wrote in message
...
wrote:
So if a new government, of whatever party, enacts a law on May 6th (or
10th, or whenever it gets its act together) requiring compulsory ID
cards, we can... do what, exactly?

You ignore it and wait to be prosecuted in a lower court, appeal and then
ask the appeal court judges to strike the case. If they do HMG then appeals
to law lords who either support the legislation or more likely throw it out.