Part 2 Plant and machinery allowances
F1CHAPTER 16ZAAsset provided or used only partly for NI rate activity
212ZCAllowances and charges on expenditure in single asset pool
(1)
This section applies if a company's expenditure is in a single asset pool under section 212ZB(1) or (3).
(2)
The amount of—
(a)
any writing-down allowance or balancing allowance to which the company is entitled, or
(b)
any balancing charge to which the company is liable,
is to be apportioned between the NI rate activity and the main rate activity on a basis which is just and reasonable having regard to the relevant circumstances.
(3)
The relevant circumstances include, in particular, the extent to which it appears that the plant or machinery was used in the chargeable period in question for the purposes of the NI rate activity and the extent to which it was used in the chargeable period in question for the purposes of the main rate activity.