1970—
Pub. L. 91–579 substituted “promulgate rules and regulations requiring dealers, exhibitors, research facilities, and operators of auction sales subject to section
2142 of this title” for “issue rules and regulations requiring licensed dealers and research facilities”.
Amendment by
Pub. L. 91–579 effective 30 days after Dec. 24, 1970, see section 23 of
Pub. L. 91–579, set out as a note under section
2131 of this title.