Download this:
http://www.caa.co.uk/application.asp...detail&id=1591
It's Lasors 2006, scan down to the APTL section, "G", I think from memory. Or give them a call on :
Safety Regulation Group
Civil Aviation Authority
Aviation House
Gatwick Airport South
West Sussex RH6 0YR
T: 01293 567171
Ask for Flight Crew Licencing Dept, they are pretty helpful ... usually.