The provisions of sections 2(a) and 4(c) of the Act prescribe labor
standards requirements applicable, except as otherwise specifically
provided, to every contract in excess of $2,500 which is entered into by
the United States or the District of Columbia for the principal purpose
of furnishing services in the United States through the use of service
employees. These provisions apply to all service employees engaged in
the performance of such a contract or any subcontract thereunder. The
Act, in section 8(b) defines the term service employee. The general
scope of the definition is considered in Sec. 4.113(b) of this subpart.