Rule 17.8.325 - MOTOR VEHICLES(1) No person shall intentionally remove, alter or otherwise render inoperative, exhaust emission control, crank case ventilation or any other air pollution control device which has been installed as a requirement of federal law or regulation.(2) No person shall operate a motor vehicle originally equipped with air pollution control devices as required by federal law or regulation unless such devices are in place and in operating condition.Eff. 12/31/72; TRANS, from DHES, 1996 MAR p. 2285.75-2-111, 75-2-203, MCA; IMP, 75-2-203, MCA;