Part 4 Loss relief

Chapter 2 Trade losses

Carry forward of trade loss relief

45 Carry forward of pre-1 April 2017 trade loss against subsequent trade profits
(1) This section applies if, in an accounting period beginning before 1 April 2017 , a company carrying on a trade makes a loss in the trade.
Words in s. 45(1) inserted (with effect in accordance with Sch. 4 para. 190 of the amending Act) by Finance (No. 2) Act 2017 (c. 32), Sch. 4 para. 10(3)
(2) Relief for the loss is given to the company under this section.
(3) The relief is given for that part of the loss for which no relief is given under section 37 or 42 (“the unrelieved loss”).
(4) For this purpose—
(a) the unrelieved loss is carried forward to subsequent accounting periods (so long as the company continues to carry on the trade), and
(b) the profits of the trade of any such period are reduced by the unrelieved loss so far as that loss is not used under this paragraph to reduce the profits of an earlier period.
Words in s. 45(4)(b) substituted (with effect in accordance with Sch. 4 para. 190 of the amending Act) by Finance (No. 2) Act 2017 (c. 32), Sch. 4 para. 10(4)
S. 45(4) excluded (with effect in accordance with Sch. 18 para. 63 of the amending Act) by Finance Act 2016 (c. 24), Sch. 18 para. 20(10)
(4A) But the company may make a claim that the profits of the trade of an accounting period specified in the claim are not to be reduced by the unrelieved loss, or are not to be reduced by the unrelieved loss by more than an amount specified in the claim.
S. 45(4A)-(4C) inserted (with effect in accordance with Sch. 4 para. 190 of the amending Act) by Finance (No. 2) Act 2017 (c. 32), Sch. 4 para. 10(5)
(4B) A claim under subsection (4A) may specify an accounting period only if it begins on or after 1 April 2017.
(4C) A claim under subsection (4A) is effective if, and only if, it is made—
(a) within the period of two years after the end of the accounting period specified in the claim, or
(b) within such further period as an officer of Revenue and Customs may allow.
(5) In this section and , sections 45B, 45F and 46 references to profits of the trade are references to profits of the trade chargeable to corporation tax.
Words in s. 45(5) substituted (with effect in accordance with Sch. 4 para. 190 of the amending Act) by Finance (No. 2) Act 2017 (c. 32), Sch. 4 para. 10(6)
(6) Relief under this section is subject to restriction or modification in accordance with provisions of the Corporation Tax Acts.
S. 45 applied (retrospective to 1.4.2014) by Finance Act 2014 (c. 26), Sch. 16 paras. 6, 9(1)
Words in s. 45 heading inserted (with effect in accordance with Sch. 4 para. 190 of the amending Act) by Finance (No. 2) Act 2017 (c. 32), Sch. 4 para. 10(2)
Pt. 4 modified (with effect in accordance with reg. 1(2) of the amending S.I.) by The Risk Transformation (Tax) Regulations 2017 (S.I. 2017/1271), regs. 1(1), 10
Pt. 4 excluded (14.7.2022) by Energy (Oil and Gas) Profits Levy Act 2022 (c. 40), s. 1(5)(e) (with ss. 15(1), 16(1))