Much confusion surrounds the need to submit I751 affidavits and how to write them. We explain and provide an I-751 affidavit sample.To support a I751 petition and show that the marriage is "bona fide," couples must submit evidence that helps establish that the marriage is genuine. Learn how to create an effective affidavit of support with our detailed guide and sample. Next, provide the student's name and the program they are enrolled in. Forms ; Affidavit in Support - Surplus Money. PDF ; Confirm Report - Appoint Referee. The body of the affidavit will then include the evidence you are putting before the Court. You don't write a letter; you fill out the form precisely. Whenever any legal papers are served, the person serving the papers must fill out a written form that says how the papers were served.