(1) refuses to allow entry for the purpose of inspection under section 605 of this title or otherwise interferes by hindering such entry; or
(2) fails to comply with an order under section 606 of this title within 5 days after the service of the order, or within 5 days after an appeal therefrom has been determined; or
(3) violates any provision of this chapter or any regulation or order issued under this chapter, for which a penalty is not otherwise provided —
shall be fined not more than $500 or imprisoned not more than one year, or both.