; and (C) other appropriate congressional committees of jurisdiction. (f) Regulations Not later than 180 days after the date of the enactment of this Act, the Federal Acquisition Regulatory Council shall prescribe regulations or guidance, as necessary, to implement the requirements of this section pertaining to Federal contracts. 6. Prohibition on use of Government-issued Purchase Cards to purchase covered unmanned aircraft systems from covered foreign entities Effective immediately, Government-issued Purchase Cards may not be used to procure any covered unmanned aircraft system from a covered foreign entity. 7. Management of existing inventories of covered unmanned aircraft systems from covered foreign entities (a) In general All executive agencies must account for existing inventories of covered unmanned aircraft systems manufactured or assembled by a covered foreign entity in their personal property accounting systems, within one year of the date of enactment of this Act, regardless of the original procurement cost, or the purpose of procurement due to the special monitoring and accounting measures necessary to track the items’ capabilities. (b) Classified tracking Due to the sensitive nature of missions and operations conducted by the United States Government, inventory data related to covered unmanned aircraft systems manufactured or assembled by a covered foreign entity may be tracked at a classified level, as determined by the Secretary of Homeland Security or the Secretary’s designee. (c) Exceptions The Department of Defense, the Department of Homeland Security, the Department of Justice, the Department of Transportation, and the National Oceanic and Atmospheric Administration may exclude from the full inventory process, covered unmanned aircraft systems that are deemed expendable due to mission risk such as recovery issues, or that are one-time-use covered unmanned aircraft due to requirements and low cost. 8. Comptroller General report Not later than 275 days after the date of the enactment of this Act,