Hi,
My view is slightly different, you have your completion certificate so they cant breach you or anything.
unless you signed something that says they are entitled to it then it is questionable if they are, there was court case which sought to establish who PPI belongs to after completion of IVA.
The case ruled in favour of the claimant (previously in IVA), defendant (IVA firm) appealed, lost appeal in Manchester high court.
Now next step is high court appeal in London, this may take some time.
My understanding is, as case law stands at this very moment in time (as I type)the ruling was in favour of the claimant, so I would say don't sign anything now that agrees to them having it - if you have your certificate already.
Indeed I would quote the case and suggest its all due to you as case law stands at present, this would be applicable to anyone who has had their taken by the IP in the last few years post completion if they didn't agree to this explicitly.
No doubt they will stall say they want to wait for the the appeal to be heard, that could take some time, but if they stall they risk the high court ruling saying they are not entitled to it as the original judge found, so maybe there is room for some negotiation with them, as law stands right now, it is in your favour, in my personal (non professional ) opinion.
None of this applies if you signed something to say they could have the lot even after completion. You need to read a bit about the case to understand what facilitated this in terms of the debtors closing/completion paperwork etc
http://debtcamel.co.uk/ppi-claims-after-iva/
http://www.stephensons.co.uk/site/news_ ... high_court
http://blogs.lexisnexis.co.uk/randi/set ... i-refunds/