It's essential that you bring the unsigned form, as you must sign your affidavit in the presence of the notary public. What do I need first?Facts that you personally know. AFFIDAVIT. (Corporation, Partnership, Limited Liability Company, Association). The person requesting this notarial act must personally appear before the notary and sign the document in the presence of the notary. Verify statements for legal matters and business transactions using our Illinois general affidavit form template. General affidavit form for use within the State of Illinois. Modify this affidavit to meet your specific needs. Do I fill the Affidavit of Identity out before going to a notary? 8. This form must be signed in the presence of a notary public.