9

Where—

a

an order under paragraph 1(2)(a) or (b) for the making or securing of periodical payments in favour of more than one child (“the order”) is in force;

b

the order requires payments specified in it to be made to or for the benefit of more than one child without apportioning those payments between them;

c

a maintenance assessment (“the assessment”) is made with respect to one or more, but not all, of the children with respect to whom those payments are to be made; and

d

an application is made, before the end of the period of 6 months beginning with the date on which the assessment was made, for the variation or discharge of the order,

the court may, in exercise of its powers under paragraph 1 to vary or discharge the order, direct that the variation or discharge shall take effect from the date on which the assessment took effect or any later date.