[Code of Federal Regulations] [Title 50, Volume 4] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 50CFR635.34] [Page 252-253] TITLE 50--WILDLIFE AND FISHERIES DEPARTMENT OF COMMERCE PART 635--ATLANTIC HIGHLY MIGRATORY SPECIES--Table of Contents Subpart C--Management Measures Sec. 635.34 Adjustment of management measures. (a) NMFS may adjust the catch limits for BFT, as specified in Sec. 635.23, and the quotas for BFT, shark, and swordfish, as specified in Sec. 635.27. (b) In accordance with the framework procedures in the Fishery Management Plan for Atlantic Tunas, Swordfish, and Sharks and the Fishery Management Plan for Atlantic Billfishes, NMFS may establish or modify for species or species groups of Atlantic HMS [[Page 253]] the following management measures: maximum sustainable yield or optimum yield levels based on the latest stock assessment or updates in the SAFE report; domestic quotas; recreational and commercial retention limits, including target catch requirements; size limits; fishing years or fishing seasons; species in the management unit and the specification of the species groups to which they belong; permitting and reporting requirements; Atlantic tunas Purse Seine category cap on bluefin tuna quota; time/area restrictions; allocations among user groups; gear prohibitions, modifications, or use restrictions; effort restrictions; essential fish habitat; and actions to implement ICCAT recommendations, as appropriate.