; and (ii) if the agency determines that an application is not ready for processing, include in the notice described in clause (i) a comprehensive description of the information required to be submitted for the application to be ready for processing. (B) Revised applications If an applicant submits a revised application for Federal authorization for a project after receiving a notification under subparagraph (A) that the initial application was not ready for processing, the agency receiving the revised application shall, not later than 30 days after the date on which the revised application is received— (i) determine whether the revised application— (I) provided all information included in the comprehensive description described in subparagraph (A)(ii); and (II) is ready for processing; and (ii) if the agency determines that the revised application is not ready for processing, provide to the applicant a notice describing the information included in the comprehensive description under subparagraph (A)(ii) that the applicant did not include in the revised application. (C) Supplementation An agency considering an aspect of an application for a Federal authorization may require the applicant to supplement the application with such additional information as the agency determines to be necessary to complete the review of the application, regardless of whether the agency has determined under subparagraph (A) or (B) that an application is ready for processing. (2) Concurrent reviews Each agency carrying out an agency action for a Federal authorization (other than a NEPA review) shall— (A) unless doing so would impair the ability of the agency to conduct an analysis that could not otherwise be developed during the NEPA review carried out by the lead agency for the project, to the maximum extent authorized by law, conduct the agency action— (i) concurrently and in conjunction with the NEPA review; and (ii) in accordance with the applicable schedule established by the lead agency