Part 8Oil activities

F1CHAPTER 3ARates at which corporation tax is charged on ring fence profits

Marginal relief

279BCompany with only ring fence profits

(1)

This section applies if—

(a)

a company is UK resident in an accounting period,

F2(ab)

it is not a close investment-holding company in the period,

(b)

its augmented profits of the accounting period—

(i)

exceed the lower limit, but

(ii)

do not exceed the upper limit, and

(c)

its augmented profits of that period consist exclusively of ring fence profits.

(2)

The corporation tax charged on the company's taxable total profits of the accounting period is reduced by an amount equal to—

R × ( U − A ) × ( N A )

where—

R is the F3ring fence marginal relief fraction,

U is the upper limit,

A is the amount of the augmented profits, and

N is the amount of the taxable total profits.

(3)

In this Chapter “the F4ring fence marginal relief fraction” means 11/400ths.