Services include witnessing the signing of important documents, taking affidavits and depositions and giving oaths. Oath of Office Instructions.A person filing an affidavit in New York State must have that affidavit notarized. This article and video will show Notaries to fill out each part of a notarial certificate, and common mistakes to avoid. Find reliable Wayne County notary services for document signing, acknowledgments, and more. 1. Fill out the application completely, in ink. I'm going to take a minute here and we're going to cover how to properly do an all-purpose acknowledgement for the state of California. The purpose of this handbook is to provide brief summaries of various state and local taxes and revenues, and state appropriations.