At the request of a fleet or covered person in an annual report under subpart C or D of this part, DOE shall treat each banked alternative fueled vehicle credit as the acquisition of an alternative fueled vehicle that the fleet or covered person is required to acquire under this part. Each full credit shall count as the acquisition of one alternative fueled vehicle in the model year for which the fleet or covered person requests that the credit be applied.
10 C.F.R. §490.505