NMFS revises regulations implementing the South Pacific Tuna Act of 1988, as amended (SPTA), to reflect the changes agreed to in the Third Extension of the Treaty on Fisheries between the Governments of Certain Pacific Island States and the Government of the United States of America and its annexes, schedules, and implementing agreements, as amended (Treaty). New provisions under the Treaty relate to vessel monitoring system (VMS) requirements, vessel reporting requirements, area restrictions for U.S. purse seine vessels fishing under the Treaty, and allowing U.S. longline vessels to fish on the high seas portion of the Treaty Area. These actions are intended to bring the United States into compliance with its obligations under the Treaty.