; and (C) assessing the use of contracting strategies for covered infrastructure projects in which teams provide design, construction, financing, and maintenance solutions to achieve performance outcomes; and (5) to complete the report of the RIA described in subsection (e). (e) Report Not later than 1 year after the date on which an RIA receives a grant under this section, the RIA shall submit to the Secretary a report that includes, at a minimum— (1) an update on the implementation of the plan of the RIA described in subsection (a), as finalized by the board of directors of the RIA; (2) a description of the infrastructure needs of the region to be served by the RIA; (3) a proposal of covered infrastructure projects to be accomplished by the RIA through a subsequent grant, as awarded under section 6; and (4) the procurement strategies the RIA intends to use for such covered infrastructure projects. (f) Selection for subsequent grant Not later than 60 days after the date of receipt of the final report submitted by an RIA under subsection (e), the Secretary shall— (1) review the reports submitted under subsection (e); and (2) for fiscal year 2019 and each fiscal year thereafter, select not fewer than 4 RIAs for which funds are appropriated under section 10 to receive a subsequent grant under section 6. 6. Subsequent grants (a) In general Using amounts appropriated under section 10(2), the Secretary shall award a subsequent grant to an RIA selected under section 4(f). (b) Subgrants An RIA shall use the amounts of a subsequent grant received under this section— (1) to make subgrants to one or more State, local, or regional public entities for the purposes described in subsection (d)