Except as provided below, for all hearings involving child, spousal, or domestic partner support, both parties must complete, file, and serve a current Income and Expense Declaration (form FL-150) on all parties.
The party requesting court orders must provide the local child support agency timely notice of any request to establish, change, or enforce any child, spousal, or domestic partner support order if the agency is providing support enforcement services or has intervened in the case as described in Family Code section 17400.
Cal. R. Ct. 5.260