Modifications etc. (not altering text)
C1S. 45H(2) modified (with effect in accordance with s. 167 of the amending Act) by Finance Act 2003 (c. 14), Sch. 30 para. 7
(1)The basic rule is that the writing-down allowance for a chargeable period is 4% of the qualifying expenditure.
(2)The allowance is proportionately increased or reduced if the chargeable period is more or less than a year.