Online legal forms are useful for frequent, basic, and necessary tasks. This financial affidavit is required in any family law case that is about child support, spousal maintenance, and attorney's fees.Do I need a lawyer's help? Court Forms and Instructions. Completing the Forms. Legal aid resources available to those with court business in Arizona. These resources include free, low cost, and paid options. Financial Aid Forms. Forms and information for filing for child support or requesting child support direct deposits in Arizona. Gov , or may be located in the Self Service.