Not more than 60 days after receipt of the application for a certificate by the clerk, the legislative body of the local governmental unit shall, by resolution, either approve or disapprove the application in accordance with this act. The clerk shall retain the original of the application and resolution. If the application is disapproved, the reasons for the disapproval shall be set forth in the resolution, and the clerk shall send a copy of the resolution to the applicant. If the application is approved, the number of years that the certificate shall remain in full force and effect following completion of the facility as authorized in section 9 shall be stated in the resolution.