1. The permit provided in section 17-0701 and title 8 hereof shall be issued by the commissioner or by his designated representative, pursuant to regulations of the department adopted in accordance with subdivision 3 of section 17-0303 and title 8 hereof.

2. Public hearings, on due notice, shall be conducted by the commissioner or by his designated representative in connection with the issuance of any order or determination denying, revoking, continuing or modifying a permit as provided by section 17-0701 paragraph f of subdivision 4 of section 17-0303 and title 8 hereof, unless the applicant or permittee waives said hearing in writing and no request for a public hearing has been received from any interested party.