180Company A's proportion if non-UK resident involvedU.K.
(1)If this section applies—
(a)go to subsection (2) if the case is one in which none of sections 170, 172 and 174 applies, and
(b)go to subsection (3) if the case is one in which any of sections 170, 172, and 174 applies.
(2)If the case is as mentioned in subsection (1)(a)—
(a)determine what company A's proportion would be using the assumptions set out in section 181, and
(b)if the proportion so determined (“the alternative proportion”) is less than what company A's proportion would be ignoring this section, then company A's proportion is taken to be the alternative proportion.
(3)If the case is as mentioned in subsection (1)(b), take the following steps.
Step 1
Determine, in each way required by the applicable sections, what company A's proportion would be ignoring this section. A proportion determined at this step is referred to as a “normal proportion”.
Step 2
Determine, in each way required by the applicable sections, what company A's proportion would be using the assumptions set out in section 181. A proportion determined at this step is referred to as a “section 181 proportion”.
Step 3
If a section 181 proportion determined in a required way is less than the normal proportion determined in that way, for the purposes of the applicable sections use the section 181 proportion instead of the normal proportion.
(4)In subsection (3) “the applicable sections” means any of sections 170, 172 and 174 that applies in the case mentioned in subsection (1)(b), together with whichever (if any) of sections 175 to 178 that applies in that case.