The letter must explain who is gifting the money, where the donor's funds are coming from and the relationship between the donor and the recipient. This guide explains how to document gift funds for a mortgage and meet lender requirements.Download a gift affidavit form in PDF or Word format to attest to and record the gratuitous and voluntary transfer of a gift. Fill Online, Printable, Fillable, Blank Gift Letter Template Form. Use Fill to complete blank online OTHERS pdf forms for free. Mortgage gift letters tell the lender that money for your loan came from a gift. Lenders require gift letters when necessary. Easily create a Gift Deed Form for Illinois online. Download the blank form in PDF or Word format, or fill it out online and save as a ready-to-print PDF. Download a gift affidavit form in PDF or Word format to attest to and record the gratuitous and voluntary transfer of a gift.