The arrearage shall reflect any retroactive support ordered under a modification and any judgments entered by a court of competent jurisdiction or any authorized agency and any satisfactions of judgment filed by the custodial parent;
the court shall enter an order of expungement. In addition, the court may consider successful completion of a criminal nonsupport court program under section 478.1000, or any other circumstances or factors deemed relevant by the court.
§ 568.040, RSMo