1976—
Pub. L. 94–273 substituted “October” for “July” in par. (6).
1974—
Pub. L. 93–358 added par. (5) defining “direct labor”, struck out former par. (6) which defined “direct labor” without reference to work directly relating to the performance of a service, and redesignated former pars. (7), (8), and (9) as (6), (7), and (8), respectively.
Section effective Aug. 1, 1971, see section 2 of
Pub. L. 92–28, set out as an Effective Date of 1971 Amendment note under section
46 of this title.
For termination of Trust Territory of the Pacific Islands, see note set out preceding section
1681 of Title
48, Territories and Insular Possessions.