(1) As soon as practicable following July 5, 1989, the department shall notify by mail each local unit of government that has within its jurisdiction critical dune areas, and include a copy of the "atlas of critical dune areas" dated February 1989 and a copy of former Act No. 222 of the Public Acts of 1976 with the notice. By October 1, 1989, the department shall mail a copy of the same notice to each property owner of record who owns property within a critical dune area. The notices shall include the following information:

    (a) That designated property within the local unit of government is a critical dune area that is subject to regulation under former Act No. 222 of the Public Acts of 1976.

    (b) That a local unit of government may adopt a zoning ordinance that is approved by the department, or, if the local unit of government does not have an approved ordinance, the use of the critical dune area will be regulated by the department under the model zoning plan.

    (2) Upon the request of the department, a local unit of government shall supply to the department the address of each property owner of record who owns property within a critical dune area within its jurisdiction in a timely manner that enables the department to provide notice to the property owners as required under subsection (1).