; and (B) FAA policies and other administrative materials identified under subsection (a)(2). (2) Review and approval of proposals The regulations and standards prescribed under subsection (a)(1) shall include a process for expedited review and approval of a proposal received under paragraph (1). (3) Standard for approval The Secretary shall approve a proposal received under paragraph (1) if the Secretary determines that the proposal complies with the regulations and standards prescribed under subsection (a)(1) and is otherwise consistent with the public interest, including that the proposal would not materially reduce access to a public-use airport. (4) Approvals and disapprovals (A) In general During the 45-day period beginning on the date of receipt of a proposal under paragraph (1), the Secretary shall approve or disapprove the proposal. (B) Written explanation If the Secretary disapproves the proposal, the Secretary shall provide— (i) a written explanation of the Secretary’s decision, including— (I) any instances of inconsistency with the regulations and standards prescribed under subsection (a)(1); and (II) any other information that formed the basis for the Secretary’s decision