70. Attribution of capital gain subject to conditional vesting
Where-
(a) a person has made a donation, settlement or other disposition that is subject to a stipulation or condition imposed by that person or anyone else in terms of which a capital gain or a portion of any capital gain attributable to that donation, settlement or other disposition shall not vest in the beneficiaries of that donation, settlement or other disposition or some of those beneficiaries until the happening of some fixed or contingent event;
(b) a capital gain that is attributable to that donation, settlement or other disposition has arisen during a year of assessment throughout which the person who made that donation, settlement or other disposition has been a resident; and
(c) that capital gain or a portion thereof has not vested during that year in any beneficiary who is a resident, that capital gain or that portion thereof must be taken into account in determining the aggregate capital gain or aggregate capital loss of the person who made that donation, settlement or other disposition and disregarded when determining the aggregate capital gain or aggregate capital loss of any other person.