This section applies where the calculation under section 116(10)(a) would (apart from this section) have effect to produce a chargeable gain for an individual by reason of a relevant transaction.
If an election is made under this section, a claim for business asset disposal relief may be made as if the relevant transaction involved a disposal of the old asset; and if such a claim is made section 116(10) does not apply.
An election under this section must be made—
An election under this section must be made on or before the first anniversary of the 31 January following the tax year in which the relevant transaction takes place.
In this section, "old asset" and "relevant transaction" have the meaning given by section 116.