In section 279A(7)(b) (deferred unascertainable consideration: election for treatment of loss), for “any amounts that fall to be brought into account for that year under section 2(4)(b) by virtue of section 2(5)(b),” substitute “ the total amount of chargeable gains treated as accruing in that year by virtue of section 87 or 89(2) (read, where appropriate, with section 10A), ”.