25. In the case of any fixed asset which has a limited useful economic life, the amount of:
(a)its cost; or
(b)where it is estimated that any such asset will have a residual value at the end of the period of its useful economic life, its cost less that estimated residual value;
shall be reduced by provisions for depreciation calculated to write off that amount systematically over the period of the asset's useful economic life.
F2Order repealed (prosp.) by Companies Act 2006 (c. 46), ss. 1284(2), 1295, 1300(2), Sch. 16 and the repeal being partly in force, as to which see individual Articles (with savings (with adaptations) by Companies Act 2006 (Commencement No. 6, Saving and Commencement Nos. 3 and 5 (Amendment)) Order 2008 (S.I. 2008/674), arts. 2(3), {4}, Sch. 2) and subject to amendments (6.4.2008) by Companies Act 2006 (Consequential Amendments etc) Order 2008 (S.I. 2008/948), arts. 2(2), 3(1)(b)(2), Sch. 1 paras. 135, 147, 148 {Sch. 2 Note 1} (with arts. 6, 11, 12) and subject to amendments (6.4.2008) by S.R. 2008/133, {regs. 2, 3}