# Corporation Tax Act 2010, Section 356JHA: The closing balance of unactivated allowance for an accounting period


The closing balance of unactivated allowance held by a company for an accounting period and a cluster area is—
P + Qwhere—
P is the amount of cluster area allowance generated by the company in the cluster area in the accounting period (including any amount treated under section 356JKB(1) as generated by the company in that cluster area in that accounting period);
Q is any amount carried forward from an immediately preceding accounting period under section 356JHB(1) or from an immediately preceding reference period under section 356JJB(1).

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Source: https://www.legislation.gov.uk/ukpga/2010/4/section/356JHA (the official version)
Page: https://openlegislation.uk/corporation-tax-act-2010/section-356JHA
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.