WARNING TO BOTH PARTIES: This Affidavit is an important document. You must fill out this Affidavit completely, and provide accurate information.If the Probate Registrar determines that your Affidavit is complete, the Probate Registrar will issue a certified copy of the affidavit. Much confusion surrounds the need to submit I751 affidavits and how to write them. We explain and provide an I-751 affidavit sample. The affidavit must be signed in the presence of a notary. On this ______ day of. , 20____, before me personally appeared. You must be the owner of the business in order to complete this form. 2. Locate one form of your identification that is on the list. 3.