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 2 U.K. Plant and machinery allowances

Modifications etc. (not altering text)

C2 Pt. 2 modified (24.2.2003) by Proceeds of Crime Act 2002 (c. 29), s. 458(1), Sch. 10 para. 12 (with Sch. 10 para. 17(1)); S.I. 2003/120, art. 2, Sch. (with arts. 3 4) (as amended (20.2.2003) by S.I. 2003/333, art. 14)

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

C6 Pt. 2 modified (22.7.2008) by Crossrail Act 2008 (c. 18), Sch. 13 para. 19

C7 Pt. 2 modified (22.7.2008) by Crossrail Act 2008 (c. 18), Sch. 13 para. 35

C8 Pt. 2 modified (22.7.2008) by Crossrail Act 2008 (c. 18), Sch. 13 paras. 36, 37

C9 Pt. 2 modified (21.7.2009) by Finance Act 2009 (c. 10), s. 24

C10 Pt. 2 modified (17.7.2013) by Finance Act 2013 (c. 29), s. 73(7)-(11) (with s. 73(6))

C11 Pt. 2 modified (10.6.2021) by Finance Act 2021 (c. 26), s. 9(1)(a)

Chapter 5 U.K. Allowances and charges

Modifications etc. (not altering text)

C12 Pt. 2 modified (5.10.2004) by Energy Act 2004 (c. 20) , s. 198(2) , Sch. 9 para. 21(2) (with s. 38(2) ); S.I. 2004/2575 , art. 2(1) , Sch. 1

C13 Pt. 2 restricted (5.10.2004) by Energy Act 2004 (c. 20) , s. 198(2) , Sch. 9 para. 10 (with s. 38(2) ); S.I. 2004/2575 , art. 2(1) , Sch. 1

C14 Pt. 2 modified (11.7.2023) by Finance (No. 2) Act 2023 (c. 30), s. 7

[F1 Annual investment allowance U.K.

Textual Amendments

F1 Ss. 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

51D Third restriction: groups of companies under common control U.K.

(1) Where in a financial year two or more groups of companies are—

(a) controlled by the same person (see section 51F), and

(b) related to one another (see section 51G),

this section applies in relation to the companies which are members of those groups.

(2) The companies are entitled to a single annual investment allowance between them in respect of the relevant AIA qualifying expenditure.

(3) The companies may allocate the annual investment allowance to the relevant AIA qualifying expenditure as they think fit.

(4) The relevant AIA qualifying expenditure is the AIA qualifying expenditure incurred by the companies in chargeable periods ending in the financial year mentioned in subsection (1).

(5) In this section and in sections 51F and 51G, a group of companies means—

(a) a company which, in the financial year mentioned in subsection (1), is a parent undertaking of one or more other companies, and

(b) those other companies,

(and the members of the group are the company which is the parent undertaking and those other companies).

(6) A company (“P”) is a parent undertaking of another company (“C”) in a financial year if P is a parent undertaking of C at the end of C's chargeable period ending in that financial year.

(7) In this section “parent undertaking” has the same meaning as in section 1162 of the Companies Act 2006.]