; (B) require the entity to develop, construct, and operate at private expense the backup timing system in accordance with this section; (C) allow the entity to make any investments in technologies necessary over the life of such agreement to meet future requirements for advanced timing resilience and technologies; (D) require the entity to share revenue so as to provide for an equitable share of the revenue received with the Secretary by the entity from the sale of timing services to third parties, taking into account the entity’s capital investment and its costs to operate, maintain, and upgrade the system; (E) require the entity— (i) to assume all financial risk for the completion and operational capability of the system, after the Secretary provides facilities necessary for the system under subsection (d); and (ii) to furnish performance and payment bonds in connection with the system in a reasonable amount as determined by the Secretary