128Responsible membersU.K.
(1)The ultimate parent of a multinational group is a responsible member of that group if it is subject to Pillar Two IIR tax.
(2)An ultimate parent that is a responsible member of a multinational group is responsible for all of [F1the members of the group] that are not located in the territory [F2the ultimate parent] is located in.
(3)An intermediate parent member of a multinational group (see section 237(2)) that is located in a Pillar Two territory is a responsible member of that group if it is subject to Pillar Two IIR tax and—
(a)no intermediate parent member of that group that is subject to Pillar Two IIR tax has a controlling interest in it,
(b)the ultimate parent is not subject to Pillar Two IIR tax, and
[F3(c)at least one member of the group in which it has an ownership interest, or a permanent establishment for which it is the main entity, has a top-up amount or an additional top-up amount.]
(4)Such an intermediate parent member is responsible for [F4—
(a)every permanent establishment for which it is the main entity, and
(b)]all of the members of the group it has an ownership interest in that are not located in the territory it is located in.
(5)A partially-owned parent member of a multinational group (see section 237(1)) that is located in a Pillar Two territory is a responsible member if it is subject to Pillar Two IIR tax and—
(a)it is not wholly owned by another partially-owned parent member of that group that is subject to Pillar Two IIR tax, and
[F5(b)at least one member of the group in which it has an ownership interest, or a permanent establishment for which it is the main entity, has a top-up amount or an additional top-up amount.]
(6)Such a partially owned parent member is responsible for [F6—
(a)every permanent establishment for which it is the main entity, and
(b)]all of the members of the group it has an ownership interest in that are not located in the same territory it is located in.
(7)For the purposes of this Part an entity is subject to Pillar Two IIR tax [F7for an accounting period] if—
(a)[F8the period commences on or after 31 December 2023 and] the entity is located in the United Kingdom and is not an excluded entity, or
(b)the entity—
(i)is located in another Pillar Two territory in which a tax equivalent to multinational top-up tax is in force [F9for the period], and
(ii)is not excluded from the application of that tax as a result of provision equivalent to section 127.
Textual Amendments
F1Words in s. 128(2) substituted (22.2.2024 with effect for accounting periods beginning on or after 31.12.2023 in accordance with Sch. 12 para. 1(2) of the amending Act) by Finance Act 2024 (c. 3), Sch. 12 para. 48(2)(a)(i)
F2Words in s. 128(2) substituted (22.2.2024 with effect for accounting periods beginning on or after 31.12.2023 in accordance with Sch. 12 para. 1(2) of the amending Act) by Finance Act 2024 (c. 3), Sch. 12 para. 48(2)(a)(ii)
F3S. 128(3)(c) substituted (22.2.2024 with effect for accounting periods beginning on or after 31.12.2023 in accordance with Sch. 12 para. 1(2) of the amending Act) by Finance Act 2024 (c. 3), Sch. 12 para. 4(2)
F4Words in s. 128(4) inserted (22.2.2024 with effect for accounting periods beginning on or after 31.12.2023 in accordance with Sch. 12 para. 1(2) of the amending Act) by Finance Act 2024 (c. 3), Sch. 12 para. 4(3)
F5S. 128(5)(b) substituted (22.2.2024 with effect for accounting periods beginning on or after 31.12.2023 in accordance with Sch. 12 para. 1(2) of the amending Act) by Finance Act 2024 (c. 3), Sch. 12 para. 4(4)
F6Words in s. 128(6) inserted (22.2.2024 with effect for accounting periods beginning on or after 31.12.2023 in accordance with Sch. 12 para. 1(2) of the amending Act) by Finance Act 2024 (c. 3), Sch. 12 para. 4(5)
F7Words in s. 128(7) inserted (22.2.2024 with effect for accounting periods beginning on or after 31.12.2023 in accordance with Sch. 12 para. 1(2) of the amending Act) by Finance Act 2024 (c. 3), Sch. 12 para. 48(2)(b)(i)
F8Words in s. 128(7)(a) inserted (22.2.2024 with effect for accounting periods beginning on or after 31.12.2023 in accordance with Sch. 12 para. 1(2) of the amending Act) by Finance Act 2024 (c. 3), Sch. 12 para. 48(2)(b)(ii)
F9Words in s. 128(7)(b)(i) inserted (22.2.2024 with effect for accounting periods beginning on or after 31.12.2023 in accordance with Sch. 12 para. 1(2) of the amending Act) by Finance Act 2024 (c. 3), Sch. 12 para. 48(2)(b)(iii)