1994—Subsec. (a).
Pub. L. 103–297 inserted “services,” after “devices,” in pars. (1) and (2).
1975—Subsec. (a).
Pub. L. 93–637 substituted “in or having an effect upon commerce,” for “in commerce”.
Subsec. (b).
Pub. L. 93–637 substituted “in or affecting commerce” for “in commerce”.