Hearing and public comment. Any board of county commissioners receiving an application to permit a facility shall hold a public hearing to consider public comment on the application no less than forty-five (45) days and not more than ninety (90) days after determining that the application is complete. The applicant may agree to extend the date by which a public hearing is held under this section. Written comment on the application shall be accepted by the board of county commissioners for not less than forty-five (45) days after determining that the application is complete.