[Pub. L. 90–492] designated existing provisions as par. (b), added pars. (a) and (c), and in par. (b), as so designated, substituted “such other rules” for “such rules”.
Effective Date of 1968 Amendment
[Pub. L. 90–492] effective Aug. 18, 1968, see [section 20 of Pub. L. 90–492], set out as a note under section 451 of this title.