; and (B) if a vessel traffic service area should be moved or modified. (2) Stakeholder input In conducting the periodic review under paragraph (1), the Secretary shall seek input from port and waterway stakeholders to identify areas of increased vessel conflicts or accidents that could benefit from the use of routing measures or vessel traffic service special areas to improve safety, port security, and environmental protection. (h) Definitions In this section: (1) Hazardous liquid cargo The term hazardous liquid cargo has the meaning given that term in regulations prescribed under section 5103 of title 49, United States Code. (2) Marine casualty The term marine casualty has the meaning given that term in regulations prescribed under section 6101(a) of title 46, United States Code. (3) Vessel traffic service area The term vessel traffic service area means an area specified in subpart C of part 161 of title 33, Code of Federal Regulations, or any successor regulation. (4) Vessel traffic service center The term vessel traffic service center means a center for the provision of vessel traffic services in a vessel traffic service area. . (b) Analysis for chapter 700 The analysis for chapter 700 of title 46, United States Code, is amended by striking the items relating to sections 70004 and 70005 and inserting the following: 70004. Vessel traffic service system. 70005. Considerations by Secretary. 70006. International agreements. . (c) Conforming amendments Chapter 700 of title 46, United States Code, as amended by this section, is further amended— (1) in the matter preceding paragraph (1) of section 70005, as redesignated by subsection (a)(1), by striking and 70003 and inserting 70003, and 70004