Section 421 | Meaning of “market value” etc F1
From legislation.gov.uk
(1)In this Chapter and Chapters 2 to 5 “market value” has the same meaning as it has for the purposes of TCGA 1992 by virtue of Part 8 of that Act.
(2)Where consideration for anything is given in the form of an asset (as opposed to a payment), any reference in this Chapter or any of Chapters 2 to 5 to the amount of the consideration is to the market value of the asset.