203. Implied warranty on sale of marked goods

On the sale, or in the contract for the sale, of any goods to which a Mark, or trade description has been applied, the vendor shall be deemed to warrant that the Mark is a genuine Mark, and not forged or falsely applied, or that the trade description is not a false trade description within the meaning of this Part, unless the contrary is expressed in writing signed by or on behalf of the vendor and delivered at the time of the sale or contract to, and accepted by, the vendee.