15E+WThe extent to which an agreement or determination may be so varied on an application under paragraph 13 of this Schedule is the following:—
(a)if the agreement or determination was for the making of the payment otherwise than by instalments, and the payment has not been fully made, by substituting therefor a determination that the payment or balance of the payment should be made by instalments;
(b)if the agreement or determination was for the making of a payment by instalments, by substituting for the instalments agreed or determined instalments of such smaller amounts, payable at such times, as may be determined by the court.