That reference is out of date. See ORS4 No. 802 and 803 which give the current legal position:
http://www.caa.co.uk/docs/33/ORS4_802.pdf
http://www.caa.co.uk/docs/33/ORS4_803.pdf
A Permit-to-Fly aircraft may
not be used for remunerated flight training towards intial licence issue:
Flying training excludes instruction in flying given for the purpose of becoming qualified for the grant of a pilot’s licence or the inclusion or variation of any rating or qualification in a pilot’s licence.