48 C.F.R. §§ 3.502-1
As used in this section-
Kickback, means any money, fee, commission, credit, gift, gratuity, thing of value, or compensation of any kind which is provided to any prime contractor, prime contractor employee, subcontractor, or subcontractor employee for the purpose of improperly obtaining or rewarding favorable treatment in connection with a prime contract or in connection with a subcontract relating to a prime contract.
Person, means a corporation, partnership, business association of any kind, trust, joint-stock company, or individual.
Prime contract, means a contract or contractual action entered into by the United States for the purpose of obtaining supplies, materials, equipment, or services of any kind.
Prime Contractor, means a person who has entered into a prime contract with the United States.
Prime Contractor employee, as used in this section, means any officer, partner, employee, or agent of a prime contractor.
Subcontract, means a contract or contractural action entered into by a prime contractor or subcontractor for the purpose of obtaining supplies, materials, equipment, or services of any kind under a prime contract.
Subcontractor -
48 C.F.R. §§3.502-1