6-1-5. OPERATION OF VEHICLE AS CONSENT TO CHEMICAL TEST.

Any person who operates any vehicle upon the Rosebud Reservation is deemed to have given his consent to a chemical analysis of his blood, breath or other bodily substance to determine the amount of alcohol in his blood, and to determine the presence of marijuana or any controlled drug or substance, provided that the test is administered at the direction of a law enforcement officer having lawfully arrested the person for violation of 6-1-1.