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. The name change petition can be filed in the County Court or Supreme Court of the county where you live.You must submit an Affidavit of Service attesting to same. Note: Please keep a copy of all paperwork submitted to the court for your records. Packets of forms are available for sale to be used in filing a new case or modifying a case in either the Family or Civil courts. Court Forms, Free forms are available for those actions that only require the single form to be filed on an existing case. Go to the courthouse and fill out a form, showing your current name and the name you want, plus your reason for changing it. Use this form to change your name of record in the Columbia University Student Information System. DOH-1862 Affidavit for Conforming Name Change (PDF) Property Document Forms AB1466 - Restrictive Covenant Modification Policy and Cover Page Assessor Department - Preliminary Change of Ownership Report Form.