Pub. L. 115-391, tit. IV, sec. 403
CLARIFICATION OF SECTION 924(c) OF TITLE 18, UNITED STATES CODE.
SEC. 403. CLARIFICATION OF SECTION 924(c) OF TITLE 18, UNITED STATES CODE.(a) In General.—Section 924(c)(1)(C) of title 18, United States Code, is amended, in the matter preceding clause (i), by striking “second or subsequent conviction under this subsection” and 132 STAT. 5222 inserting “violation of this subsection that occurs after a prior conviction under this subsection has become final”.(b) Applicability to Pending Cases.—This section, and the amendments made by this section, shall apply to any offense that was committed before the date of enactment of this Act, if a sentence for the offense has not been imposed as of such date of enactment.