CG15435 | Capital allowances: deemed disposals and reacquisitions
From HM Revenue & Customs · Capital Gains Manual
TCGA92/S41 - deemed disposals and reacquisitions
If an asset is disposed of at a loss, TCGA92/S41(2) tells you that in the computation of the loss, expenditure is to be excluded to the extent to which any capital allowance or renewals allowance has been or may be made in respect of it (see CG15410).
Certain provisions treat the owner of an asset as having disposed of and reacquired that asset at market value at a given date. The result is that the reacquisition cost is not expenditure in respect of which a capital allowance or renewals allowance is made. The following provisions allow section 41 to operate as intended: