68(1)The contributors, after an investigation by the actuary into the state of the widows' fund, may alter the amount of the half-yearly contributions payable to the widows' fund:
Provided that such alteration is sanctioned by a resolution passed by a majority of the contributors present and voting at a special general meeting of the contributors called for the purpose.
(2)Any alterations made by the contributors under this section may be wholly in respect of the half-yearly contributions or may be in the number of contributions or partly by all or any of such methods and in such proportions as the contributors may deem most expedient.