If two or more advertising devices erected before May 26, 1965 are in violation of the spacing requirements as herein provided, the commissioner of transportation shall notify the owners of such devices and give such owners full opportunity to be heard. The commissioner shall thereafter make a finding as to the date of erection of each of the devices. The device or devices last erected shall be deemed nonconforming and shall be removed by the owner or owners not later than July 1, 1969.
Official Publication of the State of Minnesota
Revisor of Statutes