It's essential that you bring the unsigned form, as you must sign your affidavit in the presence of the notary public. Verify statements for legal matters and business transactions using our Illinois general affidavit form template.What do I need first? The person requesting this notarial act must personally appear before the notary and sign the document in the presence of the notary. Learn how to fill out an affidavit correctly with this comprehensive guide. Discover the steps, types, and when you might need an affidavit. I,. (Name of Signer), being duly sworn on oath, state that I have personal knowledge of the facts contained herein, that the answers are true and. Ensure that you read each statement carefully to confirm accuracy. When notarizing an affidavit, make sure the signer appears before you in person.