9(1)Where, in the case of an insurance company carrying on life assurance business, a loss arising from general annuity business and attributable to a disposal of an interest in land to which the principal section applies falls (or would but for the following sub-paragraph fall) to be taken into account in the computation under section 312 of the Taxes Act (general annuity business and pension business: separate charge on profits), the development loss, if any, accruing to the company in respect of the disposal shall be computed as if paragraph 2(1) of Schedule 6 to the [1965 c. 25.] Finance Act 1965 (computation of chargeable gains: exclusion of sums taken into account in computing income) did not apply.
(2)Development losses shall be left out of account in computing under the said section 312 the profits arising to an insurance company from general annuity business and, accordingly, in subsection (2) of section 313 of the Taxes Act (general annuity business), after paragraph (a) there shall be inserted as paragraph (aa)—
“(aa)development losses shall not be taken into account;”.
(3)This paragraph shall be construed as one with Chapter II of Part XII of the Taxes Act.