These forms and instructions are available in the General Clerk's Office, Room 108, in the Nassau County. This free program will help you fill out the papers that you will need to file in Family Court.To complete this form you will need: â–« A copy of your current spousal maintenance or spousal maintenance and child support order. I do not wish to apply for child support services. â–¡ I am not eligible to apply for child support services because I am petitioning for spousal support only. 8. Family Court has special clerks to help people fill out the support petition and file the case. It does not cost any money to start a case in Family Court. Looking for the best divorce attorney in Phoenix? Arizona Law Group specializes in divorce in AZ, providing expert legal support when you need it most. You can file your Form I130 online.