(1) An amount that becomes a child support debt in respect of a day in an initial period is due and payable on the seventh day of the calendar month following that day.
(2) An amount that becomes a child support debt in respect of a payment period is due and payable on the seventh day after the end of the period.
Note: For initial period and payment period see subsection 4(1).
(3) An amount payable under subsection (1) or (2), in respect of a day in an initial period or payment period in a year of income, is taken to be paid at the time that the amount becomes due and payable, to the extent that a remaining lump sum payment will be credited, under section 69A, at the end of the year of income against that amount.