5(1)Where by reference to any premium income tax has become chargeable under section 34 of the Taxes Act on any amount, that amount out of the premium shall be excluded from the consideration brought into account in the computation of the gain accruing on the disposal for which the premium is consideration except where the consideration is taken into account in the denominator of the fraction by reference to which an apportionment is made under section 42.U.K.
(2)Where by reference to any premium in respect of a sublease granted out of a lease the duration of which (that is of the lease) does not, at the time of granting the lease, exceed 50 years, income tax has become chargeable under section 34 of the Taxes Act on any amount that amount shall be deducted from any gain accruing on the disposal for which the premium is consideration as computed in accordance with the provisions of this Act apart from this sub-paragraph, but not so as to convert the gain into a loss, or to increase any loss.
(3)Subject to subsection (4) below, where income tax has become chargeable under section 36 of the Taxes Act (sale of land with right of re-conveyance) on any amount a sum of that amount shall be excluded from the consideration brought into account in the computation of the gain accruing on the disposal of the estate or interest in respect of which income tax becomes so chargeable, except where the consideration is taken into account in the denominator of the fraction by reference to which an apportionment is made under section 42.
(4)If what is disposed of is the remainder of a lease or a sublease out of a lease the duration of which does not exceed 50 years, sub-paragraph (3) shall not apply but the amount there referred to shall be deducted from any gain accruing on the disposal as computed in accordance with the provisions of this Act apart from this sub-paragraph and sub-paragraph (3), but not so as to convert the gain into a loss, or to increase any loss.
(5)References in sub-paragraphs (1) and (2) above to a premium include references to a premium deemed to have been received under subsection (4) or (5) of section 34 of the Taxes Act (which correspond to paragraph 3(2) and (3) of this Schedule).
(6)Section 37 shall not be taken as authorising the exclusion of any amount from the consideration for a disposal of assets taken into account in the computation of the gain by reference to any amount chargeable to tax under section 348 or 349 of the Taxes Act.