12.__Operating snowmobile while underage.__A person under 14 years of age may not operate a snowmobile across any public way maintained for travel.

A.__A person who violates this subsection commits a civil violation for which a fine of not less than $100 nor more than $500 may be adjudged.

B.__A person who violates this subsection after having been adjudicated as having committed 3 or more civil violations under this Part within the previous 5-year period commits a Class E crime.

13.__Permitting unaccompanied child to operate snowmobile.__A person may not permit a child under 10 years of age to operate a snowmobile unless the child is accompanied by an adult.

This subsection does not apply on land that is owned by the parent or guardian or on land where permission for use has been granted to the parent or guardian.

A.__A person who violates this subsection commits a civil violation for which a fine of not less than $100 nor more than $500 may be adjudged.

B.__A person who violates this subsection after having been adjudicated as having committed 3 or more civil violations under this Part within the previous 5-year period commits a Class E crime.

14.__Snowmobile noise level limits.__This subsection governs noise levels for snowmobiles.

A.__Except as provided in section 13112, a person may not:

(1)__Operate a snowmobile that exceeds the noise limits for that snowmobile established in paragraph B; or

(2)__Modify a snowmobile in a manner that amplifies or otherwise increases total noise emission above that of the snowmobile as originally constructed, regardless of the date of manufacture.

B.__The following noise levels are established:

(1)__Every snowmobile manufactured after February 1, 1975 and offered for sale or sold in this State must be constructed to limit total vehicle noise to not more