OT26175 - Capital Allowances: Ring Fence Expenditure Supplement: The reference amount for a post-commencement period
CTA10\S329
The reference amount for a post-commencement period is the amount of the ring fence pool remaining after any reductions required for utilised ring fence losses CTA10\S327 (see OT26180) and unrelieved group ring fence profits CTA10\S328 (see OT26185)

