The Department may deny or begin proceedings to revoke a license if the applicant or licensee has been convicted of a felony or 2 or more misdemeanors involving moral turpitude, as shown by a certified copy of the court of conviction; if the Department determines after investigation that such person has not been sufficiently rehabilitated to warrant the public trust; or upon other satisfactory evidence that the moral character of the applicant or licensee is not reputable. In addition, the Department may deny or begin proceedings to revoke a license at any time if the licensee:
         (1) Submits false information either on Department