The following persons when driving a motor vehicle under the following conditions are exempt from a license hereunder:
(1) Any person in the service of the federal government while driving an official motor vehicle in such service;
(2) Any person while driving any road machine, farm tractor, or implement of husbandry temporarily driven or moved on a highway;
(3) A nonresident who is at least 16 years of age and who has in his or her immediate possession a valid driver's license issued in his or her home state or country;
(4) Any nonresident who is at least 16 years of age whose home state or country does not require the licensing of drivers for a period of not more than 90 days in any calendar year, if the motor vehicle so driven is duly registered in the home state or country of such nonresident.
Last modified: May 3, 2021