The Commissioner may decline to grant a license or may suspend or revoke a license already granted if he is satisfied that the applicant or licensee has:

(1) Suffered a money judgment to be entered against him upon which execution has been returned unsatisfied;

(2) Made false charges for handling or services rendered;

(3) Failed to account promptly and properly or to make settlements with any producer;

(4) Made any false statement or statements as to condition, quality, or quantity of goods received or held for sale when he could have ascertained the true condition, quality, or quantity by reasonable inspection;

(5) Made any false or misleading statement or statements as to market conditions or service rendered;

(6) Been guilty of a fraud in the attempt to procure or in the procurement of a license; or

(7) Directly or indirectly sold agricultural products received on consignment or on a net return basis for his own account, without prior authority from the producer consigning the same or without notifying such producer.