The name change petition can be filed in the County Court or Supreme Court of the county where you live. 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.Your signature MUST be notarized unless a photocopy of the court document that authorizes the name change is provided with this request. Complete and sign the appropriate birth certificate form. Enclose original documents to support the amendment. Form Number, Form Name. Name change applications are accepted via e-filing or on paper through the mail or physical drop box. 5. That the purpose of this affidavit is to instruct the Franklin County Auditor and Recorder to reflect the change of name from Old Name to New Name. The below forms are for Franklin Templeton funds. Do NOT use these forms for Western Asset Money funds. General.