The forms for changing a name or sex designation in the Supreme Court or New York City Civil Court are included in the chart below. File your forms: File the 4 forms from Step 1 at eFileGA.It will ask you to include plaintiffs and defendants. The adult name change form is used to ask (or petition) the Supreme Court or NYC Civil Court to change your name. STEP 4: Have the Consent form, signed and notarized. STEP 5: Fill out the Notice of Petition to Change Name form. To change your name if you are a US citizen or legal permanent resident, you must submit a petition to your local Superior Court. All applications must be completed electronically. If any of the information changes, I will inform the Fulton County Tax Assessor Office in writing of the change in the year the change occurs. ❑STEP 1 : Fill out the Petition for Modification of Child Support.