Iowa Code § 321G.16
The department may authorize the holding of organized special events as defined in this chapter within this state. The department shall adopt rules relating to the conduct of special events held under department permits and designating the equipment and facilities necessary for safe operation of snowmobiles or for the safety of operators, participants, and observers in the special events. At least thirty days before the scheduled date of a special event in this state, an application shall be filed with the department for authorization to conduct the special event. The application shall set forth the date, time, and location of the proposed special event and any other information the department requires. The special event shall not be conducted without written authorization of the department. Copies of the rules shall be furnished by the department to any person making an application.
Iowa Code § 321G.16
Referred to in §321G.8