# Corporation Tax Act 2010, Section 279D: The ring fence amount


(1) In section 279C “the ring fence amount” means the amount given by the formula—
( UR − AR ) × ( NR AR )
(2) In this section—
AR AUR is the amount given by multiplying the upper limit by—
AR is the total amount of any ring fence profits that form part of the augmented profits of the accounting period,
NR is the total amount of any ring fence profits that form part of the taxable total profits of the accounting period, and
A is the amount of the augmented profits of the accounting period.

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Source: https://www.legislation.gov.uk/ukpga/2010/4/section/279D (the official version)
Page: https://openlegislation.uk/corporation-tax-act-2010/section-279D
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.