If you were to read chapter 22 in the free course notes, that is almost certainly more than enough for you to know for the F7 exam
CPP and CCA were so well received when the SSAP (the former title given to UK accounting standards) 15 was issued, it was only ever issued as a “proposed standard” and very, very rapidly took so much flak that it was withdrawn
Unfortunately, the theoretical concept lives on and could possibly be worth 2 marks in a future F7 exam