; and (B) terminology that ensures that the summary is— (i) clear, unambiguous, and unmistakable; and (ii) to the greatest extent possible, uniform, concise, and not complex. (4) Periodic review The Secretary of Transportation shall periodically review and update, as appropriate, the standards developed under paragraph (1). (5) Requirements Beginning on the date that is 180 days after the date on which the standards are developed under paragraph (1), an owner of a passenger vessel shall— (A) provide each prospective passenger with a summary in accordance with those standards; (B) include a prominently accessible link to the summary on each Internet website that the owner maintains for prospective passengers to purchase or book passage on the passenger vessel; and (C) include the summary in any promotional literature or advertising, through any medium of communication in the United States offering passage or soliciting passengers for ocean voyages anywhere in the world, that the Secretary of Transportation considers necessary to adequately notify a prospective passenger of the key terms in the passage contract before such terms are binding. (6) Preemption The standards developed under paragraph (1) shall preempt any related State standards that require a summary that provides less information to a prospective passenger than the information required to be provided under this subsection, as determined by the Secretary of Transportation. (b) Consumer complaints (1) Toll-free hotline; Internet website link The Secretary of Transportation shall— (A) establish a consumer complaints toll-free hotline telephone number for passenger use; (B) establish a consumer complaints link for passenger use on the Internet website maintained under section 3526(i); and (C) notify the public of— (i) the telephone number established under subparagraph (A)