§ 79.06 PARKING FOR CERTAIN PURPOSES ILLEGAL.
   No person shall park a vehicle on any street for more than 24 hours or upon any public property for any of the following principal purposes:
   (A)   Sale. Displaying the vehicle for sale;
   (B)   Repairing. For lubricating, repairing or for commercial washing of the vehicle except repairs as are necessitated by an emergency;
   (C)   Advertising. Displaying advertising; and/or
   (D)   Merchandise sales. Selling merchandise from the vehicle except in a duly established market place or when so authorized or licensed under the code of ordinances.
(Iowa Code § 321.236(1)) (1999 Code, § 69.06) Penalty, see § 79.99