The last paragraph of section
49 of title
15, and the provisions of section
409
(l) of title
47, referred to in text, which related to immunity of witnesses, were repealed by sections
211 and
242, respectively, of
Pub. L. 91–452, Oct. 15, 1970, title II,
84 Stat. 929, 930. For provisions relating to immunity of witnesses, see section
6001 et seq. of Title 18, Crimes and Criminal Procedure.