If your spouse also has a child support earnings assignment, the employer takes child support out first. Learn about the kinds of spousal support in California, how judges decide the amount and duration of alimony, and whether you can change the award later.Start with paperwork. Learn all about child support in California, including how support amounts are calculated, how to change existing child support, and more. You can download the petition, complete it yourself, and file it at the Office of the Clerk of Family Court on the 11th floor. This list contains current links to state divorce forms where available. Some states may have additional requirements or restrictions. ExpertPay enables Employers, Payroll Service Providers and Non-Custodial Parents to electronically submit child support payments in 50 states. See the brochure "Child Support in Philadelphia. First it is no longer called alimony, its Spousal Support.