The IRS taxes gifts made over a certain dollar amount. One of the easiest and most common ways for you to support Middlesex is with a gift of cash.A gift letter is a note from a donor to your lender regarding cash funds for your mortgage down payment. If part of your mortgage deposit is a gift, the lender may ask for a mortgage gift letter confirming the funds are not a loan. Downloadable template. Complete the Questionnaire and Purchaser's Affidavit. You also may have the seller complete the Seller's Affidavit confirming the purchase price. Tax Collection Scams. All vehicles whose prime purpose is to sell, store, maintain and repair goods shall be prohibited in the municipality.