The petition must be filled out and signed in front of a Notary Public. You may need additional forms to change a child's name.To update your personal name, business or residence address download, complete and submit the Change Notice to the address on the form. You must complete the following documents: • Request for Judicial Intervention (RJI). How to fill out a New York General Affidavit? Services include witnessing the signing of important documents, taking affidavits and depositions and giving oaths. A name change affidavit typically includes your current legal name, the new name you wish to adopt, and the reasons for your name change. Sign the Petition with your current legal name in front of a notary. Many banks will notarize it for free if you bring your ID and your paperwork. F12: Affidavit of One and the Same Name.