1. Short title This Act may be cited as the Extending Limits of United States Customs Waters Act of 2023 . 2. Findings; sense of Congress (a) Findings Congress makes the following findings: (1) On December 27, 1988, Presidential Proclamation 5928 extended the territorial sea of the United States from 3 nautical miles to 12 nautical miles from the baselines of the United States, determined in accordance with international law. (2) On August 2, 1999, Presidential Proclamation 7219 extended the contiguous zone of the United States from 12 nautical miles to 24 nautical miles from the baselines of the United States, determined in accordance with international law, but in no case within the territorial sea of another country. (3) Customary international law, in its current form, as provided for in the United Nations Convention on the Law of the Sea and consistent with Presidential Proclamations 5928 and 7219, reflects that— (A) every coastal State has the right to establish the breadth of its territorial sea to a limit not exceeding 12 nautical miles, measured from its baselines; (B) a coastal State’s contiguous zone may not extend beyond 24 nautical miles from the baselines from which the breadth of the territorial sea is measured; (C) a coastal State has exclusive jurisdiction over its flagged vessels within its territorial seas and upon the high seas; and (D) in the contiguous zone of a coastal State, the State may— (i) exercise the control necessary to prevent the infringement of its customs, fiscal, immigration, or sanitary laws and regulations within its territory or the territorial sea