According to the FAR 4.11, prospective vendors must be registered in CCR prior to the award of a contract; basic agreement, basic ordering agreement, or blanket purchase agreement.
According to FAR 52.204-7, to register in CCR, a firm must have a Data Universal Numbering System (DUNS) number. The DUNS Number is assigned by Dun & Bradstreet, Inc. (D&B) to identify unique business entities.
EFT and assignment of claims as stated FAR 52.232-33 Para. G.: \"EFT and assignment of claims. If the Contractor assigns the proceeds of this contract as provided for in the assignment of claims terms of this contract, the Contractor shall require as a condition of any such assignment, that the assignee shall register in the CCR database and shall be paid by EFT in accordance with the terms of this clause. In all respects, the requirements of this clause shall apply to the assignee as if it were the Contractor. EFT information that shows the ultimate recipient of the transfer to be other than the Contractor, in the absence of a proper assignment of claims acceptable to the Government, is incorrect EFT information within the meaning of paragraph (d) of this clause.\"
To read more please check out