; and (D) ensure that all purchase orders and contracts include any clauses required by Federal statute, Executive order, or implementing regulation. (e) Environmental review Recipients of funds received under this section that use funds to supplement funds provided under section 402, 403, 404, 406, 407, 408(c)(4), 428, or 502 may adopt, without review or public comment, any environmental review, approval, or permit performed by a Federal agency. (f) Best practices The President shall identify best practices for grantees on issues including developing action plans, establishing financial controls, building grantee technical and administrative capacity, procurement, and use of grant funds as local match for other sources of Federal funding. Not later than 1 year after the date of enactment of this section, the President shall publish a compilation of such identified best practices and share with all relevant grantees to facilitate a more efficient and effective disaster recovery process. (g) Natural disaster recovery reserve fund (1) In general There is established in the Treasury of the United States an account to be known as the Natural Disaster Recovery Reserve Fund (in this section referred to as the Fund ). (2) Amounts The Fund shall consist of any amounts appropriated to or deposited into the Fund, including amounts deposited into the Fund pursuant to paragraph (4). (3) Use of funds Amounts in the Fund shall be available, pursuant to a declaration of a major disaster, only for providing technical assistance and capacity building in connection with subsection (c)(4) for grantees that have been allocated assistance under this section in connection with such disaster to facilitate planning and increase capacity to administer assistance under this section. (4) Unused amounts If any amounts made available for assistance under this section to grantees remain unexpended on the earlier of— (A) the date that the grantee of such amounts notifies the President that the grantee has completed all activities