First, Cameron himself called it invasive.
For example how do they justify asking for your employes name and address?
How do they justify asking who was stopping over on a certain night?
It's a crock of sh*t.
Second, it's likely to be the last of it's kind so there would seem to be little point in making an example of people as a deterrent. Not forgetting it's no longer the 'apathetic great unwashed'. There will be sweet little old ladies too! Not exactly good publicity.
You would think the government and the courts would have enough to do without pursuing peeps for not filling in a form.
Use of words like 'complance' shows the Orwelian State we have descended too. Well there is a healthy number of us in the UK who will not be barcoded or branded like cattle.
And the fact that you could be treated equal too or worse than a mugger beggars belief.