1. The commission may refuse to examine or issue a license to any person known by it to be guilty of any of the acts or practices specified in subsection 2 of section 339.100, or to any person previously licensed whose license has been revoked, or may refuse to issue a license to any association, partnership, corporation, professional corporation, limited partnership, or limited liability company of which such person is a manager, officer or general partner, or in which as a member, partner or associate^* such person has or exercises a controlling interest either directly or indirectly, or to any corporation of which such person is an officer or in which as a stockholder such person has or exercises a controlling interest either directly or indirectly.

2. Any person denied a license or the right to be examined shall be so notified by the commission in writing stating the reasons for denial or refusal to examine and informing the person so denied of his right to file a complaint with the administrative hearing commission in accordance with the applicable provisions of sections 621.015 to 621.198 and the rules promulgated thereunder. All notices hereunder shall be sent by registered or certified mail to the last known address of the applicant.