49 C.F.R. § 33.41
(b) Rating authority for production or construction equipment.
(c) Rating authority in advance of a rated prime contract.
(2) The person must state the following in the request:
It is understood that the authorization of a priority rating in advance of our receiving a rated prime contract from the Department of Transportation and our use of that priority rating with our suppliers in no way commits the Department of Transportation or any other government agency to enter into a contract or order or to expend funds. Further, we understand that the Federal Government shall not be liable for any cancellation charges, termination costs, or other damages that may accrue if a rated prime contract is not eventually placed and, as a result, we must subsequently cancel orders placed with the use of the priority rating authorized as a result of this request.
(3) In reviewing requests for rating authority in advance of a rated prime contract, the Department of Transportation will consider, among other things, the following criteria: