Name Change Adult. FORM. TITLE. PDF. FILLABLE. HELP. 12. Ex-parte Petition for Change of Name of Adult.The name change petition can be filed in the County Court or Supreme Court of the county where you live. An original RP-5217 form must accompany all deeds and correction deeds upon filing with the Recording Officer. A filing fee is also required. The Nassau County Clerk's Office preserves and protects land records and provides a wide range of services to the public in a professional and courteous manner. Form RP5217PDF is required whenever a deed is recorded with the county clerk's office. Form-RP-5217-PDF is required even if a property is not being sold. Simply fill it out in accordance with the type of title you wish to convey. These are documents and forms relating to the areas in which they are located.