paragraph (3) only if the Commission finds with clear and convincing evidence that the term or condition is necessary to ensure that any discharge described in paragraph (2) conducted pursuant to such authorization or certification will comply with the applicable provisions of sections 301, 302, 303, 306, and 307 of the Federal Water Pollution Control Act. (f) Schedule (1) Deadline for Federal authorizations A deadline for a Federal authorization required with respect to an application for authorization under section 3 of the Natural Gas Act or a certificate of public convenience and necessity under section 7 of such Act set by the Commission under section 15(c)(1) of such Act shall be not later than 90 days after the Commission completes its project-related environmental review, unless an applicable schedule is otherwise established by Federal law. (2) Concurrent reviews Each Federal and State agency— (A) that may consider an application for a Federal authorization required with respect to an application for authorization under section 3 of the Natural Gas Act or a certificate of public convenience and necessity under section 7 of such Act shall formulate and implement a plan for administrative, policy, and procedural mechanisms to enable the agency to ensure completion of Federal authorizations in compliance with schedules established by the Commission under section 15(c)(1) of such Act