; or (bb) deny the request and provide the requester a written explanation of the reasons for the denial. (III) The Secretary may not make a second request for information, request that the requester withdraw and resubmit the request, or otherwise delay a decision on the request. (IV) If the Secretary fails to respond to a request for authorization under this subparagraph in the manner provided in subclause (I) or (II), the request shall be considered to be complete. (ix) (I) At least 90 days before the expiration of any authorization issued under this subparagraph, the holder of such authorization may apply for a one-year extension of such authorization. The Secretary shall grant such extension within 14 days after the date of such request on the same terms and without further review if there has been no substantial change in the activity carried out under such authorization nor in the status of the marine mammal species or stock, as applicable, as reported in the final annual stock assessment reports for such species or stock. (II) In subclause (I) the term substantial change means a change that prevents the Secretary from making the required findings to issue an authorization under clause (i) with respect to such species or stock. (III) The Secretary shall notify the applicant of such substantial changes with specificity and in writing within 14 days after the applicant’s submittal of the extension request. (x) If the Secretary fails to make the required findings and, as appropriate, issue the authorization within 120 days after the application is accepted or required to be considered complete under subclause (I)(aa), (II)(aa), or (III) of clause (viii), as applicable, the authorization is deemed to have been issued on the terms stated in the application and without further process or restrictions under this Act. . 3. Removing duplications Section 101(a)(5)(D) of the Marine Mammal Protection Act of 1972 ( 16 U.S.C. 1371(a)(5)(D) ), as amended by section 2 of this Act, is further amended by adding at the end