1986 - Pub. L. 99-634 amended section generally. Prior to amendment, section read as follows: ''For the purpose of sections 51 to 54 of this title, the term 'subcontractor' is defined as any person, including a corporation, partnership, or business association of any kind, who holds an agreement or purchase order to perform all or any part of the work or to make or to furnish any article or service required for the performance of a negotiated contract or of a subcontract entered into thereunder; the term 'person' shall include any subcontractor, corporation, association, trust, joint-stock company, partnership, or individual; and the term 'negotiated contract' means made without formal advertising.'' 1960 - Pub. L. 86-695 substituted ''negotiated contract'' for ''cost-plus-a-fixed-fee or cost reimbursable contract'' in definition of ''subcontractor'' and defined ''negotiated contract''.

Amendment by Pub. L. 99-634 effective with respect to conduct described in section 53 of this title which occurs on or after Nov. 7, 1986, see section 3(a) of Pub. L. 99-634, set out as a note under section 51 of this title