Online legal forms are useful for frequent, basic, and necessary tasks. I'm going to be walking through the steps of what an off-date financial information is and how to properly fill out this form.You must fill out this Affidavit completely, and provide accurate information. Please note: Students also may be required to complete a Residency Affidavit. STEP ONE: All students must complete this step. This form is used to record the selling price, date of sale and other required information about the sale of property.