Any person who has signed the application of a minor for an instruction permit, a driver’s license or provisional license may thereafter file with the division a verified written request that the license of the minor so granted be canceled. Thereupon, the division shall cancel the license of the minor, and the person who signed the application of the minor shall be relieved from the liability imposed under this article, by reason of having signed the application, on account of any subsequent negligence or willful misconduct of the minor in operating a motor vehicle.