(1)The monetary limit for a chargeable period is exceeded if the total expenditure in that period that meets the conditions in subsection (2) exceeds that limit.
(2)The conditions are that the expenditure—
(a)is long-life asset expenditure, or would be long-life asset expenditure in the absence of section 97 (expenditure within monetary limit), and
(b)is expenditure to which the monetary limits apply.
(3)Subsection (4) applies if, in the case of any contract for the provision of plant or machinery, the capital expenditure which is (or is to be) incurred under the contract is (or may fall to be) treated for the purposes of this Act as incurred in different chargeable periods.
(4)All of the expenditure falling to be incurred under the contract on the provision of the plant or machinery is to be treated for the purposes of this section as incurred in the first chargeable period in which any of the expenditure is incurred.