No advertising device, excepting the advertising devices described and permitted under sections 173.01 to 173.27, shall be erected or maintained in an adjacent area, after June 8, 1971, except the following:
(1) directional and other official signs, including, but not limited to, signs pertaining to natural wonders, scenic and historical attractions, which are required or authorized by law, and which comply with rules which shall be promulgated by the commissioner relative to their lighting, size, spacing and other requirements as may be appropriate to implement sections 173.01 to 173.27;
(2) advertising devices advertising the sale or lease of property upon which they are located, provided that there shall not be more than one such sign, advertising the sale or lease of the same property, visible to traffic proceeding in any one direction on any one interstate or primary highway;
(3) advertising devices advertising activities conducted on the property on which they are located, including, without limiting the generality of the foregoing, goods sold, stored, manufactured, processed, or mined thereon, services rendered thereon, and entertainment provided thereon;
(4) advertising devices stating the name and address of the owner, lessee or occupant of such property or information otherwise required or authorized by law to be posted or displayed thereon;
(5) public utility signs;
(6) service club and religious notices;
(7) advertising devices of which the advertising copy or the name of the owner thereof is in no part visible from the traveled way of the aforesaid highways;
(9) signs placed temporarily by auctioneers under section 169.07;
(10) community identification signs which are located within two miles of the community and do not exceed 750 square feet. "Community" means a county, town, or home rule charter or statutory city. Prior to the erection of a community identification sign, the community must:
(i) obtain approval from the governing body of the community;
(ii) consult with local road authorities on placement and location of the sign; and
(iii) obtain consent of the owner of the land on which the sign is to be erected.
No advertising device shall be erected or maintained:
(1) in or within 500 feet of national parks, state parks, local parks, historic sites, and public picnic or rest areas, provided that, an advertising device may be permitted within 500 feet of the park, site or area on commercially zoned property, or in the case of a municipality which has no zoning ordinance, with the approval, by resolution, of the municipality;
(2) within 100 feet of a church or school.
Crop varietal and seed corn signs adjacent to interstate and primary highways may be erected if the device:
(1) is located on demonstration plats;
(2) is located on private property;
(4) does not reference an off-site address where the product may be sold.