; (iii) transmit to the Commission a statement— (I) acknowledging receipt of the schedule; and (II) describing the plan developed under clause (i); and (iv) not less frequently than once every 90 days, transmit to the Commission a report describing the progress made in considering the application for a Federal authorization. (3) Failure to meet deadline (A) In general If a Federal or State agency, including the Commission, fails to meet a deadline for a Federal authorization required in the applicable schedule established by the Commission under section 15(c)(1) of the Natural Gas Act ( 15 U.S.C. 717n(c)(1) ), not later than 5 days after the deadline, the head of the relevant Federal agency (including, in the case of a failure by a State agency, the Federal agency overseeing the delegated authority) shall— (i) notify Congress and the Commission of the failure; and (ii) include in that notification a description of the recommended implementation plan to ensure completion of the action to which the deadline applied, unless the Commission deems the requirement to complete the action has been waived. (B) Requirement In cases in which a requirement has not been waived under clause (ii) of subparagraph (A), not later than 5 days after the date on which the Commission receives the notification under that subparagraph, the Commission shall— (i) accept the recommended implementation plan; or (ii) if the Commission does not accept the recommended implementation plan, establish a revised schedule for completion of the action and notify the head of the relevant Federal agency. (f) Consideration of applications for Federal authorization (1) Issue identification and resolution (A) Identification Federal and State agencies that may consider an aspect of an application for a Federal authorization shall identify, as early as practicable, any issues of concern that may delay or prevent an agency from— (i) working with the Commission to resolve the issues