10 C.F.R. § 490.807 – Reporting requirement.

(a) By December 31 following a model year for which an alternative compliance waiver is granted, a State or covered person must submit a report to DOE that includes:
1. (1) A statement certifying:
  1. (i) The total number of petroleum gallons and/or alternative fuel gge used by the fleet during the waiver year in its covered light-duty vehicles; and
  2. (ii) The amount of petroleum motor fuel reduced by the fleet in the waiver year through alternative compliance.
(b) A State or covered person must send its report to DOE on official company or agency letterhead, and the report must be signed by a responsible company or agency official. Send to: Regulatory Manager, Alternative Fuel Transportation Program, FreedomCAR and Vehicle Technologies Program, EE-2G/Forrestal Building, U.S. Department of Energy, 1000 Independence Avenue, SW., Washington, DC 20585.