Section 3713(a) prohibits any person from violating any provision of this chapter or a regulation prescribed under its authority. It prohibits the refusal to permit authorized officials to board a vessel or to enter a shore area for the purposes of inspection of the vessel or premises. It also prohibits the refusal to obey any lawful directive issued under this chapter.

Section 3713(b) prohibits any vessel, subject to the provisions of this chapter from operating on the navigable waters of the United States, or from using any port or place subject to the jurisdiction of the United States while not in compliance with any provision of applicable law or regulation. It further prohibits any vessel from failing to comply with a lawful directive issued pursuant to the authority of this chapter. It also prohibits the vessel from carrying oil or hazardous material as cargo or cargo residue unless its certificate is so endorsed to permit its carriage.