Learn how to fill out an affidavit correctly with this comprehensive guide. Discover the steps, types, and when you might need an affidavit.The following are basic rules for proper and safe notarization: 1) Keep your notary seal in a safe place; 2) Do not notarize a signature unless the signer. I am first duly sworn and state I am: Name. This article and video will show Notaries to fill out each part of a notarial certificate, and common mistakes to avoid. Starting August 1, 2024, Illinois residents applying to be Notary Public or Electronic Notary Public must use our online application.