2.—(1) Where any amount is to be considered in connection with any calculation made under these Regulations or under Schedule 1 to the Order, it shall be calculated as a weekly amount and, except where the context otherwise requires, any reference to such an amount shall be construed accordingly.
(2) Subject to paragraph (3), where any calculation made under these Regulations or under Schedule 1 to the Order results in a fraction of a penny that fraction shall be treated as a penny if it is either one half or exceeds one half, otherwise it shall be disregarded.
(3) Where the calculation of the basic rate of child support maintenance or the reduced rate of child support maintenance results in a fraction of a pound that fraction shall be treated as a pound if it is either one half or exceeds one half, otherwise it shall be disregarded.
(4) In taking account of any amounts or information required for the purposes of making a maintenance calculation, the Department shall apply the dates or periods specified in these Regulations as applicable to those amounts or information, provided that if it becomes aware of a material change of circumstances occurring after such date or period, but before the effective date, it shall take that change of circumstances into account.
(5) Information required for the purposes of making a maintenance calculation in relation to the following shall be the information applicable at the effective date—
(a)the number of qualifying children;
(b)the number of relevant other children;
(c)whether the non-resident parent receives a benefit, pension or allowance prescribed for the purposes of paragraph 4(1)(b) of Schedule 1 to the Order;
(d)whether the non-resident parent or his partner receives a benefit prescribed for the purposes of paragraph 4(1)(c) of Schedule 1 to the Order; and
(e)whether paragraph 5(a) of Schedule 1 to the Order applies to the non-resident parent.