Development gains accruing in connection with replacement of business assets
4Where a development gain accrues to a person in respect of a disposal of an interest in land to which section 38 of this Act applies, being a disposal in relation to which section 33 of the Finance Act 1965 (replacement of business assets) applies, then, if a claim under that section is made as respects the whole or any part of the consideration for the disposal, the consideration obtained by him for the disposal shall be treated for the purposes of the said section 33 in its application in relation to the disposal as if it were equal to the amount by which the actual consideration obtained by him exceeds the amount of the said development gain.