(1)A person is chargeable to multinational top-up tax for an accounting period of a multinational group if the group is a qualifying multinational group in that period and—
(a)the person—
(i)is a responsible member of the multinational group at any time in that period,
(ii)is a body corporate or a partnership that is not a body corporate, and
(iii)is located in the United Kingdom, or
(b)the person is chargeable to tax in respect of an entity that is a responsible member of the multinational group at any time in that period.
(2)A person is chargeable to tax in respect of a responsible member of a multinational group if—
(a)the profits of the responsible member would, on the relevant assumptions, be the profits of the person for the purposes of income tax or corporation tax,
(b)the responsible member is located in the United Kingdom, and
(c)the responsible member is not—
(i)a body corporate, or
(ii)a partnership that is not a body corporate.
(3)The relevant assumptions are—
(a)that the responsible member has profits that are chargeable to income tax or corporation tax, and
(b)that the person is resident in the United Kingdom for the purposes of that tax.
(4)Where a partnership that is not a body corporate is chargeable to multinational top-up tax as a result of subsection (1)(a)—
(a)the responsible partners are liable to pay the tax, and
(b)the liability of the responsible partners to do so is joint and several.
(5)The references in subsection (4) to “the responsible partners” are to each member of the partnership at any time during the accounting period who—
(a)in the case of a partner that is an entity, is located in the United Kingdom, or
(b)in the case of a partner that is an individual, is tax resident in the United Kingdom.
(6)A partnership is to be regarded for the purposes of this section as continuing to be the same partnership regardless of a change in membership, provided that a person who was a member before the change remains a member after the change.
(7)Where more than one person is chargeable to tax in relation to the same responsible member of a qualifying multinational group as a result of the application of subsection (2), each of those persons is jointly and severally liable to multinational top-up tax.