CG15402 | Capital allowances: plant and machinery
From HM Revenue & Customs · Capital Gains Manual
If the assets which qualify for capital allowances are plant and machinery, there are two further provisions which need to be taken into account
the plant and machinery must be treated as a wasting asset, see CG15450
the plant and machinery is excluded from a rebasing election under TCGA92/S35 (5) by TCGA92/SCH3/PARA7, see CG16780+.