Chapter 169.686 Exemptions....
(1) a person driving a passenger vehicle in reverse;
(2) a person riding in a seat in which all the seating
positions equipped with safety belts are occupied by other
persons;
(3) a person who is in possession of a written certificate
from a licensed physician verifying that because of medical
unfitness or physical disability the person is unable to wear a
seat belt;
(4) a person who is actually engaged in work that requires
the person to alight from and reenter a motor vehicle at
frequent intervals and who, while engaged in that work, does not
drive or travel in that vehicle at a speed exceeding 25 miles
per hour;
(5) a rural mail carrier of the United States Postal
Service while in the performance of duties;
(6) a person driving or riding in a passenger vehicle
manufactured before January 1, 1965; and
(7) a person driving or riding in a pickup truck, as
defined in section 168.011, subdivision 29, while engaged in
normal farming work or activity.
MN State Laws Type in a key word.
Traffic Laws are chapter 169, registration is 171 and 168.
I hope this helps.
46 IP