122Chargeable personsU.K.
(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 ..., 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 ....
(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.
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(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.