; and (B) for the federally permitted charter fishing sector may not be less than the allocation and duration that applied to such sector for the most recent fishing year, unless amended by the Secretary. (3) Fishing by federally permitted charter sector within Gulf State seaward boundaries Nothing in this Act shall be construed to authorize limiting fishing for red snapper by the federally permitted charter sector within a Gulf State’s seaward boundary in any period in which such fishing in the exclusive economic zone is not prohibited. . (b) State surveys Section 407 of the Magnuson-Stevens Fishery Conservation and Management Act ( 16 U.S.C. 1883 ) is further amended by adding at the end the following: (h) State surveys (1) Submission A Gulf State that conducts a recreational fisheries survey in the Gulf of Mexico to make catch estimates for red snapper landed in such State may submit such survey to the Secretary for certification. (2) Certification (A) In general The Secretary shall make a certification or a denial of certification for any survey submitted under paragraph (1) not later than the end of the 6-month period beginning on the date the survey is submitted. (B) Deemed certified A recreational fisheries survey is deemed to be certified effective upon the expiration of such period if the Secretary has not made a certification or denial of certification. (3) Modification of surveys denied certification (A) In general If a survey of a Gulf State is denied certification under paragraph (2), the Secretary shall, not later than 60 days after the date of the denial, provide the Gulf State a proposal for modifications to the survey. (B) Proposal A proposal provided to a Gulf State for a survey under subparagraph (A)— (i) shall be specific to the survey submitted by such Gulf State and may not be construed to apply to any other Gulf State; (ii) shall require revision to the fewest possible provisions of the survey