Section 356EA | The closing balance of unactivated allowance for an accounting period

From legislation.gov.uk

The closing balance of unactivated allowance held by a company for an accounting period and a site is—

Formula

P + Q - R

where—

P is the amount of onshore allowance generated by the company in the accounting period at the site (including any amount treated under section 356F(7) or 356HB(1) as generated by the company in that accounting period at that site);

Q is any amount carried forward from an immediately preceding accounting period under section 356EB(2) or from an immediately preceding reference period under section 356GC;

R is any amount deducted in accordance with section 356GD(1) (reduction of allowance if equity disposed of).