Parker

*683 In 1990, the family court entered a judgment of dissolution of marriage for appellant Matthew Albert Parker and respondent Mary Katherine Parker. Mary 1 and Matthew shared two children. In 2014, Matthew sought an order (1) requiring respondent San Bernardino County Department of Child Support Services (the Department) to prepare an accounting of the child support arrears owed by Matthew; and (2) discharging the child support arrears for the period in which the children resided with Matthew ( Trainotti 2 credits). The family court denied Matthew's requested order.

Matthew raises two issues on appeal. First, Matthew contends res judicata and collateral estoppel do not bar an award of Trainotti credits. Second, Matthew asserts the family court erred by not applying the doctrine of laches to discharge the arrears owed to the Department. We affirm the judgment.

A. FACTUAL AND PROCEDURAL HISTORY

1. 1990 DISSOLUTION

Mary and Matthew's two children were born in 1987 and 1988. In 1990, the family court entered an order for the dissolution of Mary and Matthew's marriage and ordered Mary and Matthew to share joint legal custody of the children. The court awarded Mary primary…