As used in this part:
(1) "Court" means a state, federal, or military court.
(2) "External jurisdiction" means:
(a) a state of the United States not including Utah;
(b) the United States federal government;
(c) Indian country;
(d) a United States territory;
(e) the United States military; or
(f) Canada, Australia, New Zealand, or the United Kingdom.
(3) "Indian country" means:
(a) all land within the limits of an Indian reservation under the jurisdiction of the United States government, regardless of the issuance of any patent, and includes rights-of-way running through the reservation;
(b) all dependent Indian communities within the borders of the United States whether within the original or subsequently acquired territory, and whether within the limits of a state; and
(c) all Indian allotments, including the Indian allotments to which the Indian titles have not been extinguished, including rights-of-way running through the allotments.
(4) "Traffic offense" does not include a violation of Title 41, Chapter 6a, Part 5, Driving Under the Influence and Reckless Driving.