When I did my IMC and PPL I was given a caa sheet that had what was going to be tested and what the allowed deviations ie heading height are.
Had a search through the caa web site but cant find one for CPL (and IR if poss) anyone know if there is one and where a copy might be.
obs cop thats great info and will structuring my hb much more thank you.
edit
found it
http://www.caa.co.uk/docs/33/srg_fcl_03_a.pdf added link if it helps the OP