If, prior to receiving the Field Measure, a vehicle has been altered with the use of any after-market emissions-related components, parts, and/or software or the removal of any original emissions-related components, parts, and/or software, and such alteration(s) are likely to substantially affect the operation of the vehicle with the Field Measure or substantially impede installation of the Field Measure, Dealers may not install the Field Measure until the owner of such vehicle, at his or her expense, has reversed the alteration(s) such that the Field Measure may be installed and not be substantially affected.