; or (ii) any group of convictions for which a court referred to in section 922(g)(1) imposed in the same proceeding or in consolidated proceedings a total term of imprisonment not less than 10 years, regardless of how many years of that total term the defendant served in custody. . 3. Applicability (a) In general The amendments made by this Act shall apply to any offense committed after the date of enactment of this Act by an individual who, on the date on which the offense is committed, has three or more previous serious felony convictions (as defined in subsection (e) of section 924 of title 18, United States Code, as amended by this Act). (b) Rule of construction This Act and the amendments made by this Act shall not be construed to create any right to challenge a sentence imposed under subsection (e) of section 924 of title 18, United States Code.