Modifications etc. (not altering text)

C1 S. 45H(2) modified (with effect in accordance with s. 167 of the amending Act) by Finance Act 2003 (c. 14) , Sch. 30 para. 7

Part 2U.K. Plant and machinery allowances

Modifications etc. (not altering text)

C3 Pt. 2 restricted (5.10.2004) by Energy Act 2004 (c. 20) , s. 198(2) , Sch. 9 paras. 10, 22 (with s. 38(2) ); S.I. 2004/2575 , art. 2(1) , Sch. 1

C4 Pt. 2 modified (5.10.2004) by Energy Act 2004 (c. 20) , s. 198(2) , Sch. 9 paras. 9(2), 21(2) (with s. 38(2)); S.I. 2004/2575, art. 2(1) , Sch. 1

C5 Pt. 2 restricted (5.10.2004) by Energy Act 2004 (c. 20) , s. 198(2) , Sch. 4 para. 4 ; S.I. 2004/2575 , art. 2(1) , Sch. 1

C6Pt. 2 modified (22.7.2008) by Crossrail Act 2008 (c. 18), Sch. 13 para. 19

C7Pt. 2 modified (22.7.2008) by Crossrail Act 2008 (c. 18), Sch. 13 para. 35

C8Pt. 2 modified (22.7.2008) by Crossrail Act 2008 (c. 18), Sch. 13 paras. 36, 37

C9Pt. 2 modified (21.7.2009) by Finance Act 2009 (c. 10), s. 24

C10Pt. 2 modified (17.7.2013) by Finance Act 2013 (c. 29), s. 73(7)-(11) (with s. 73(6))

C11Pt. 2 modified (10.6.2021) by Finance Act 2021 (c. 26), s. 9(1)(a)

C12Pt. 2 modified (11.7.2023) by Finance (No. 2) Act 2023 (c. 30), s. 7

Chapter 5U.K. Allowances and charges

[F1Annual investment allowanceU.K.

Textual Amendments

F1Ss. 51A-51N and cross-heading inserted (with effect in accordance with Sch. 24 para. 23 to the amending Act) by Finance Act 2008 (c. 9), Sch. 24 para. 3

51NSpecial provision for long chargeable periods: supplementaryU.K.

(1)This section applies where—

(a)section 51H applies in relation to two or more qualifying activities controlled by a person (“P”) in a tax year, and

(b)the relevant chargeable period for more than one of those qualifying activities is longer than a year.

(2)Section 51M applies in relation to each of the qualifying activities mentioned in subsection (1)(b) and the tax year mentioned in subsection (1)(a), as it applies in relation to A1 and the tax year mentioned in subsection (1)(a) of that section.

(3)But where two or more of the qualifying activities mentioned in subsection (1)(b) were related in a previous tax year, section 51M applies with the following modifications.

(4)The amount of any relevant unused allowance for that tax year is to be calculated under section 51M(4) to (7) (without regard to section 51M(8)).

(5)For that purpose section 51M(6) applies as if the references to A1 were references to any of the qualifying activities mentioned in subsection (1)(b).

(6)The amount of the relevant unused allowance may be allocated between those activities, but this is subject to subsection (7).

(7)The amount of the relevant unused allowance allocated to any one of those activities may not exceed the amount given by the formula in section 51M(8).]