§  3390.  Revocation  of  licenses and certificates of approval. Any  license or certificate of approval granted pursuant to this article  may  be  revoked  by the commissioner in whole or in part upon a finding that  the licensee or certificate holder has: 1. falsified any application,  report,  or  record  required  by  this  article; 2.  wilfully  failed  to furnish the department with timely reports or  information required to be filed with the department; 3. been convicted of an offense in any jurisdiction  relating  to  any  substance listed in this article as a controlled substance; 4. wilfully or negligently failed to comply with any of the provisions  of the  federal  controlled  substances  act,  this  article,  or  the  regulations promulgated thereunder; 5.  failed  to  maintain  effective  control  against diversion of  controlled substances; or 6. wilfully and  unreasonably  refused  to  permit  an  inspection  authorized by this article.