It is unlawful for any person to operate or to be in physical control of any snowmobile in the city while under the influence of alcohol or a controlled substance or under the influence of a combination of an alcohol and a controlled substance. The definitional and regulatory provisions of Minnesota statutes sections 84.91 and 84.911, 1992 and supplement 1993, are hereby incorporated herein and adopted by reference, including the penalty provisions thereof. (Ord. 541, sec. 1, 12-19-1994)