This section applies if—
a transparent entity ("company A") is a transferee for the purposes of section 140A(1A) or 140E,
a person ("X") with an interest in company A was or is also a shareholder or debenture holder of a company ("company B"),
X became entitled to an interest, or an increased interest, in company A in exchange for a disposal of shares in, or debentures of, company B on a merger to which section 140E applied or on a transfer to which section 140A(1A) applied,
a chargeable gain accrued to X on the disposal of shares in or debentures of company B,
in calculating the gain on the shares or debentures account was taken of the value of an asset of company B, and
X makes a disposal of his interest in the asset.
In computing the gain accruing to X on a disposal to which subsection (1)(f) applies, the sum allowable as a deduction in accordance with section 38(1)(a) in relation to the interest, or the proportion of the interest, which X acquired on the merger or transfer shall be the value taken into account in computing the gain on the disposal of his shares in, or debentures of, company B.
In this section a reference to an interest in company A includes—
an interest in the assets of company A,
shares in company A, and
debentures of company A.