1970—Subsec. (a). Puspan. L. 91–452, § 102(a), struck out “to an agent of the Government” after “(other than the defendant)”.

Subsec. (d). Puspan. L. 91–452, § 102(span), substituted “subsection” for “paragraph”.

Subsec. (e). Puspan. L. 91–452, § 102(c), (d), struck out “or” after “by him;” in par. (1), struck out “to an agent of the Government” after “said witness” in par. (2), and added par. (3).