After the Affidavit of Service is done, it must be filed with the Court. Overview. 360 Adams Street, Room 123.Brooklyn, NY 11201 . In California, Notaries are not allowed to correct certificates after the signer has left their presence. A few states prohibit Notaries from notarizing for most family members. Others prohibit notarizing for specific family members. Services include witnessing the signing of important documents, taking affidavits and depositions and giving oaths. Where to file: your Petition for Change of Name and supporting documents must be filed in the Court of Common Pleas in the county in which you reside. Notarized affidavits will not be required for court submissions starting in the new year. Complete the Affidavit of Domestic Partnership Registration or pick one up in the Legal Division of the County Clerk's office at 110 Dr. Martin Luther King, Jr.