Boundaries indicated as approximately following the centerlines of streets, highways or alleys shall be construed to follow such centerlines.

Boundaries indicated as approximately following platted lot lines shall be construed as following such lot lines.

Boundaries indicated as approximately following corporate limits shall be construed as following corporate limits.

Boundaries indicated as following railroad lines shall be construed to be the midway between the main tracks.

Boundaries indicated as following shorelines shall be construed to follow such shorelines, and in the event of change in the shoreline shall be construed as moving with the actual shoreline. Boundaries indicated as approximately following the centerline of streams, rivers, canals or other bodies of water shall be construed to follow such centerlines.

Boundaries indicated as parallel to or extensions of features indicated in Subsections (1) through (5) of this section shall be so construed. Distances not specifically indicated on the official zoning map shall be determined by the scale of the map.

Where physical or natural features existing on the ground are at variance with those shown on the official zoning map, or in other circumstances not covered by Subsections (1) through (6) of this section, the Board of Appeals shall interpret the district boundaries.

Insofar as some or all of the various districts may be indicated on the zoning map by patterns which, for the sake of map clarity, do not cover public rights-of-way, it is intended that such district boundaries do extend to the center of any public right-of-way.

Whenever any area is annexed to the City, it shall immediately upon such annexation be automatically classified as being in whichever zoning district most clearly conforms with the zoning that existed prior to annexation. Such interim zoning shall only be in effect until rezoning pursuant to Subsection (b) hereof is completed.

The Planning Commission shall, within 90 days after the territory is annexed, review and recommend to the City Council the appropriate zoning of the territory, with consideration being given to the existing land use and land use policies of the City comprehensive plan. The City Council, upon the acceptance of the Planning Commission's recommendation, will cause the current zoning map of the City to automatically reflect such zoning on the annexed area.

Pursuant to Public Act 425 of 1984, as amended (1984 PA 425); MCL 124.21 et seq., it is provided that two local units of government may by contract conditionally transfer property for purposes of economic development and in formulating the contract, matters typically governed by zoning must be considered and zoning classifications are permissible for inclusion in any such 1984 PA 425 contract.

Pursuant to 1984 PA 425, a territory by contract that comes under the jurisdiction of the City of Corunna for zoning purposes shall, for its initial zoning district classifications, be zoned as specifically provided in the contract.

If a territory for zoning purposes comes under the jurisdiction of the City of Corunna under a 1984 PA 425 contract that does not specifically provide for the initial zoning classifications, it shall be zoned in the same manner as annexed territory as provided in § 86-35.