; 124 Stat. 2950) is amended— (1) in subsection (a), in the text preceding paragraph (1), by striking sections 3304, 5333, and 5753 and inserting section 3304 ; and (2) in subsection (b), by striking 2017. and inserting 2021. . III Ports and Waterways Safety Act 301. Codification of Ports and Waterways Safety Act (a) Codification Subtitle VII of title 46, United States Code, is amended by inserting before chapter 701 the following: 700 Ports and Waterways Safety Subchapter A—Vessel Operations 70001. Vessel traffic services. 70002. Special powers. 70003. Port access routes. 70004. Considerations by Secretary. 70005. International agreements. Subchapter B—Ports and Waterways Safety 70011. Waterfront safety. 70012. Navigational hazards. 70013. Requirement to notify Coast Guard of release of objects into the navigable waters of the United States. Subchapter C—Condition for entry into ports in the United States 70021. Conditions for entry to ports in the United States. Subchapter D—Definitions, Regulations, Enforcement, Investigatory Powers, Applicability 70031. Definitions. 70032. Saint Lawrence Seaway. 70033. Limitation on application to foreign vessels. 70034. Regulations. 70035. Investigatory powers. 70036. Enforcement. A Vessel Operations 70001. Vessel traffic services (a) Subject to the requirements of section 70004, the Secretary— (1) in any port or place under the jurisdiction of the United States, in the navigable waters of the United States, or in any area covered by an international agreement negotiated pursuant to section 70005, may construct, operate, maintain, improve, or expand vessel traffic services, that consist of measures for controlling or supervising vessel traffic or for protecting navigation and the marine environment and that may include one or more of reporting and operating requirements, surveillance and communications systems, routing systems, and fairways; (2) shall require appropriate vessels that operate in an area of a vessel traffic service to utilize or comply with that service