(a) obstruct or delay an officer in the exercise of the officer’s powers or duties under this Act or the regulations;

(b) knowingly give false information to an officer in the exercise of the officer’s powers or duties under this Act or the regulations;

(c) fail to produce any certificate or document that the person is required to produce by or in pursuance of this Act or the regulations; or

(d) prevent any employee from appearing before or being questioned by an officer.

(a) obstruct or delay an officer in the exercise of his powers or duties under this Act or the regulations;

(b) knowingly give false information to an officer in the exercise of his powers or duties under this Act or the regulations;

(c) fail to produce any certificate or document that he is required to produce by or in pursuance of this Act or the regulations; or

(d) prevent any employee from appearing before or being questioned by an officer.