Section 640.686 - Form, details and incidents of revenue bonds1. When not inconsistent with the provisions of sections 640.651 to 640.686, the department and the authority, respectively, are authorized to prescribe the form, details and incidents of the bonds and to make such covenants as in their judgment may be advisable or necessary properly to secure the payment of the bonds.2. The authority and the department shall have the power to perform all duties imposed upon the authority and the department by sections 640.651 to 640.686, including the making and collecting of sufficient rates and charges for the use of the project for which the bonds were issued.