You can mail in the completed form to our office. You may complete the fillable form and print, or print and then complete the form.A couple meeting with a mortgage lender to submit a gift letter. Here are the top things you need to know when receiving mortgage down payment gift funds. Bonus: download a free gift letter template. For completed examples of some legal forms, see our Self Help Form and Sample Packets page. Handwritten forms are hard to read. A gift letter is a note from a donor to your lender regarding cash funds for your mortgage down payment. Santa Clara does not require the non-custodial parent to complete the form. Fill out GIFT LETTER - Hallmark Home Mortgage online.