The planning commission is hereby designated as the commission specified in section 4 of Act 207 of the Public Acts of 1921 (MCL 125.584), and shall perform the zoning duties of said commission as provided in the statute in connection with the amendment of this ordinance.

In cases where the planning commission is empowered to approve certain use of premises under the provisions of this ordinance, the applicant shall furnish such surveys, plans or other information as may be reasonably required by said commission for the proper consideration of the matter.

The planning commission shall investigate the circumstances of each such case and shall notify such parties, who may in its opinion be affected thereby, of the time and place of any hearing which may be held relative thereto as required under its rules of procedure.