(1) An annual investment allowance is not available unless the qualifying expenditure is AIA qualifying expenditure.

(2) Expenditure is AIA qualifying expenditure if—

(a) it is incurred by a qualifying person on or after the relevant date, and

(b) it is not excluded by any if the general exclusions in section 38B.

(3) “Qualifying person” means—

(a) an individual,

(b) a partnership of which all the members are individuals, or

(c) a company.

(4) In determining whether expenditure is AIA qualifying expenditure, any effect of section 12 on the time at which it is to be treated as incurred is to be disregarded.

(5) “The relevant date” means—

(a) for corporation tax purposes, 1 April 2008, and

(b) for income tax purposes, 6 April 2008.