; and (B) to increase the contract value threshold for the contractor to use an EVM System from $50,000,000 to $100,000,000. (b) Implementation If the Under Secretary of Defense for Acquisition and Sustainment is unable to update the regulations specified in subsection (a) before the deadline specified in such subsection, the Under Secretary of Defense for Acquisition and Sustainment shall providing to the Committee on Armed Services of the Senate and the Committee on Armed Services of the House of Representatives a briefing explaining the timeline for implementation. 816. Inventory of inflation and escalation indices (a) Inventory required (1) In general Not later than September 30, 2024, the Under Secretary of Defense for Acquisition and Sustainment, in coordination with the Service Acquisition Executives, shall conduct an inventory of inflation and escalation indices currently used for contracting and pricing purposes across the Department and make the inventory available as a resource for all government and industry contracting and pricing professionals. (2) Elements The inventory required under paragraph (1)— (A) shall include indices used for products and indices used for services, including accessibility instructions; (B) may include relevant indices derived from or leveraged by commercial, academic, or nongovernmental sources; and (C) shall separately identify indices for which the Department of Defense purchases access. (b) Assessment As part of the inventory required under subsection (a), the Under Secretary of Defense for Acquisition and Sustainment shall also conduct an assessment of the available inflation and escalation indices in order to determine— (1) gaps in any available indices where identification or development of new indices may be necessary; and (2) in instances where there are multiple indices being used— (A) whether consolidation on a single index or smaller subset of indices is possible or advisable