to that Act, the Secretary shall reallocate for that year the unused portion of such allocation to the Bering Sea subarea of the BSAI (as defined in section 679.2 of title 50, Code of Federal Regulations) and shall assign the reallocated unused portion of the allocation only to eligible vessels as described in subsection (b)(1) for harvest in the Bering Sea subarea of the BSAI, consistent with any agreements as described in subsection (c). (b) Eligibility To receive reallocation (1) In general Only vessels defined in subsection (a), (b), (c), or (e) of section 208 of the American Fisheries Act ( 16 U.S.C. 1851 note), or any vessels authorized to replace such vessels, may receive a reallocation described in subsection (a). (2) Limitation on reallocations The Secretary shall not reallocate the allocation described in subsection (a) in any year if such reallocation exceeds the annual catch limit for pollock in the Bering Sea subarea of the BSAI. (3) Calculations Any amount of the reallocation described in subsection (a) shall not be used in the calculation of harvesting or processing excessive shares as described in section 210(e) of the American Fisheries Act ( 16 U.S.C. 1851 note). (4) Conditions In any year, the assignment, transfer, or reallocation shall not violate the requirements of section 206(b) of the American Fisheries Act (title II of the division C of Public Law 105–277