How do I sign up for the Direct Deposit for my support payments? If you'd like to deposit a regular payment from a private annuity or fund, please complete the direct deposit authorization enrollment form below.Learn how to set up direct deposit in Maricopa County with this step-by-step guide. PAYROLL SECONDARY ACCOUNT(S): If you have more than two secondary accounts, please complete an additional form. NOTE: Direct Deposit is only offered through members of the Automatic Clearing House (ACH). The following FAQ's provide some additional help: a)General Questions b) Questions regarding the Arizona Electronic Payment Card. Forms and information for filing for child support or requesting child support direct deposits in Arizona.