Licenses, as provided for in this Part, may be revoked or suspended after notice and hearing in accordance with the Administrative Procedure Act and upon a finding that a person or firm acted in any of the following manners:
(1) Willfully violated any provision of this Part or any rule, regulation, or adopted order.
(2) Used deceit or false or misleading information to obtain any certificate or license pursuant to this Part.
(3) Demonstrated professional incompetence or gross negligence.
(4) Assisted any person attempting to evade the provisions of this Part or any related adopted rules or regulations.