1970—Pub. L. 91–452 inserted “, or any evidence which is directly or indirectly derived from such evidence,” after “under this section”.

Amendment by Pub. L. 91–452 effective on sixtieth day following Oct. 15, 1970, and not to affect any immunity to which any individual is entitled under this section by reason of any testimony given before sixtieth day following Oct. 15, 1970, see section 260 of Pub. L. 91–452, set out as an Effective Date; Savings Provision note under section 6001 of Title 18, Crimes and Criminal Procedure.

“Commission” substituted for “Secretary” pursuant to section 30(a) of Pub. L. 92–573, which is classified to section 2079 (a) of this title and which transferred functions of Secretary of Health, Education, and Welfare under this chapter to Consumer Product Safety Commission.