67:18:01:33Prepayment of future

support obligations. Any collections of required support obligations which have been specifically designated by the noncustodial parent as support obligations for future months shall be applied to those future months as long as all amounts due and payable for the current month and all past months have been fully satisfied.

Source: 2 SDR 31, effective October 30, 1975; 4 SDR 84, effective June 11, 1978; 7 SDR 66, 7 SDR 89, effective July 1, 1981; 24 SDR 72, effective November 30, 1997; 41 SDR 108, effective January 6, 2015.