This packet contains court forms and instructions to file child support order. Items in BOLD are forms that you will need to file with the Court.The Debt Reduction Program provides eligible parents with past-due child support payments the opportunity to reduce the amount they owe to the government. Forms and information for filing for child support in Arizona. Please note that each court might have their own preferred forms. Complete one of the following application forms: Follow the instructions on the application and provide as much information and as many documents as possible. All forms are printable and downloadable. CHILD SUPPORT PETITION TO MODIFY Simplified Mod (Maricopa County Telecommunications). Fill in the name, address, and phone number of the person filing the form. Evidence of financial support will be required prior to issuance of the I-20 form.