For those who are interested in the source, this I believe is the relevant part of the relevant legislation:
http://www.hmso.gov.uk/acts/acts2003/30020--f.htm#92
I am sort of just surprised that it has almost come into effect without any of us having been advised about it - but now we know!
For the avoidance of doubt, if I read it right it applies to PPLs as well as commercial pilots.