An obligee may waive all or some of the past-due child support of an obligor through a written statement that waives a specific dollar amount of past-due support, which statement must then be approved by the court and memorialized in a court order. State or tribal public assistance monies, if any, shall not be waived by an obligee. Only a state or tribe may waive any monies expended for the benefit of the child. ONCA 12-51, eff. June 18, 2012.