Well
PAXboy, I am sure you are in the same category as me when it comes to
caveat emptor, but the point that is beside is found here:
The Consumer Protection from Unfair Trading Regulations 2008 No. 1277
Schedule 1, paras 5 and 6 perhaps?
Or Annex 1, paras 5 and 6 of this one:
http://www.berr.gov.uk/files/file27194.pdf
Time will tell ...