Need a notarized affidavit in NYC? Call Bronx Mobile Notary Service today!This article and video will show Notaries to fill out each part of a notarial certificate, and common mistakes to avoid. This guide simplifies the process, offering clear insights and practical tips to help applicants confidently embark on their notary journey. Please Note: the notary stamp must read "QUALIFIED IN BRONX COUNTY. Services include witnessing the signing of important documents, taking affidavits and depositions and giving oaths. A person filing an affidavit in New York State must have that affidavit notarized. Sworn to before me this ____ day of ______, 200__. X_____________________________________. (Notary Public or Commissioner of Deeds).