Casparis

In this case, in adjusting a child support order between former spouses, we hold that the trial court erred in disregarding the provisions of new section 4057.5 of the Family Code. 1 Camilla Wood Casparis (Camilla) appeals from the judgment entered following a hearing on an order to show cause re child support filed by her ex-husband, William D. Wood, Jr. (William 2 ). William’s 1993 motion to reduce child support was based on consideration of the income of Camilla’s new mate, then appropriate under Civil Code section 4721, subdivision (e), predecessor to section 4057.5. At the 1994 hearing, the trial court stated it was considering Camilla’s new mate’s income only as it related to her standard of living and that of the three children living with her, and the court did not allow detailed discovery or questioning of the new mate. For the reasons stated below, we reverse.

*1062 Facts and Procedural Background

Camilla and William dissolved their marriage of almost 10 years in April of 1989. Pursuant to stipulation, the judgment of dissolution of marriage awarded Camilla physical custody of the parties’ three minor children, and it ordered William to pay child support of…