Why does it need recerticifcation in such a case anyway?
Because of all the damage caused by numpties using paintstripper & scrapers and the need for rebalancing controls, reappyling mandatory placards etc,etc.
Its all in GR10. I dont know how your invoice is worked out, but £1000+ purely for certification is not on.
Dont forget to query the LAMP/LAMS issue - an inappropriate Maintenance Programme will invalidate the C of A / ARC,etc. But then your CAMO would know that already
.(GR15)