If the seller recommends a particular color, but that color is not suitable for painting the houses, the seller has violated this implied warranty of fitness for a particular purpose. This letter authorizes the sale of the automobile bearing the number VIN XXX between Ms. Eileen Smith (saleswoman) and Ms. Janet Evans (buyer). The agreement, as well as the following details, are acknowledged by both individuals and witnesses. For certain sales contracts, i.e. those concluded in a place that is not the permanent seat of the seller, the buyer has the legal right to revoke the contract before midnight of the third working day following the sale. For more information on this “cooling-off period,” see the laws of your state and the Federal Trade Commission. .