; or (B) requiring the permittee to carry out the requirements of the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq. ) for the proposed activity (or any portion of the proposed activity). (c) State or interstate water pollution control agency certifications (1) Certification required (A) In general If the NWP requires a permittee to request a water quality certification from a certifying authority under section 401 of the Federal Water Pollution Control Act ( 33 U.S.C. 1341 ), the certifying authority shall, within a reasonable period of time (which shall not exceed 14 days) after the date on which the permittee submits the certification application pursuant to that section, make a determination on whether or not the application submitted by the permittee is complete. (B) No response If a certifying authority fails or refuses to make a determination with respect to a certification application submitted pursuant to subparagraph (A) within the timeframe referred to in that subparagraph, the certification shall be considered to be complete. (2) Incomplete application If a certifying authority determines that an application referred to in paragraph (1) is incomplete, the certifying authority shall, not later than 14 days after that determination, issue to the permittee a detailed list of items required in order for an application to be considered complete. (3) Complete application (A) In general If a certifying authority determines that an application referred to in paragraph (1) is complete, the certifying authority shall, notwithstanding section 401(a)(1) of the Federal Water Pollution Control Act ( 33 U.S.C. 1341(a)(1) ), act on the application within a reasonable period of time, which may not exceed 1 year from the date on which the certifying authority determines the application is complete. (B) No re-filing If a certifying authority determines that an application submitted by a permittee is complete, the certifying agency may not require the permittee to re-file an application for the same