NMFS issues this final rule to revise regulations for the commercial individual fishing quota (IFQ) Pacific halibut (halibut) fisheries for the 2020 IFQ fishing year. This final rule removes limits on the maximum amount of halibut IFQ that may be harvested by a vessel, commonly known as vessel use caps, in IFQ regulatory areas 4B (Aleutian Islands), 4C (Central Bering Sea), and 4D (Eastern Bering Sea). This final rule is necessary because immediate action is needed to ensure allocations of halibut IFQ can be harvested by the limited number of vessels operating in these areas due to travel restrictions and health mandates. This action is within the authority of the Secretary of Commerce to establish additional regulations governing the taking of halibut which are in addition to, and not in conflict with, those adopted by the International Pacific Halibut Commission (IPHC). This emergency rule is intended to promote the goals and objectives of the IFQ Program, the Northern Pacific Halibut Act of 1982, and other applicable laws.