48 C.F.R. § 970.1504-102
(a) Basic principles.
(5) The maximum total available fee amount may not exceed the fee derived from this subsection unless approved in advance by the SPE or designee. A request to allow a higher fee must be in writing and must clearly explain why the situation merits consideration.
(6) Each M&O contract must set forth in the contract (or in a Performance Evaluation and Measurement Plan (PEMP) or similar document) the methods that will be used to rate the contractor's performance and to determine the fee the contractor's performance will earn. The DOE Contracting Officer must ensure all important areas of contract performance are specified in the contract or in a PEMP (or similar document), even if such areas are not assigned a specific portion of the maximum total available fee the contractor might earn.
(ii) Award fee not earned during the award fee cycle shall not be carried over to any future award fee cycle. Consequently—
(b) Coordination requirements.