; (B) shall require revision to the fewest possible provisions of the survey; and (C) may not unduly burden the ability of such Gulf State to revise the survey. (3) Modified survey (A) Authority to submit If a marine recreational fisheries statistical survey of a Gulf State was denied certification under subsection (c), the Gulf State may modify the survey and submit the modified survey to the Secretary for certification or denial of certification. (B) Schedule The Secretary shall make a certification or denial of certification for any modified survey not later than the end of the 30-day period beginning on the date the modified survey is submitted. (C) Deemed certified A modified survey is deemed to be certified effective upon the expiration of the period described in subparagraph (B) if the Secretary has not made a certification or denial of certification. . (b) Clerical amendment The table of contents in the first section is amended by striking the item relating to section 407 and inserting the following: Sec. 407. Certification of State surveys. . IV Strengthening Fishing Communities 401. Estimation of cost of recovery from fishery resource disaster Section 312(a)(1) ( 16 U.S.C. 1861a(a)(1) ) is amended— (1) by inserting (A) after (1) ; (2) by redesignating existing subparagraphs (A) through (C) as clauses (i) through (iii), respectively, of subparagraph (A) (as designated by the amendment made by paragraph (1))