Prior Provisions
A prior section 849, Pub. L. 91–513, title II, § 409, Oct. 27, 1970, 84 Stat. 1266; Pub. L. 99–514, § 2, Oct. 22, 1986, 100 Stat. 2095, related to dangerous special drug offender sentencing, prior to repeal by Pub. L. 98–473, title II, §§ 219(a), 235(a)(1), Oct. 12, 1984, 98 Stat. 2027, 2031, eff. Nov. 1, 1987, and applicable only to offenses committed after the taking effect of such repeal.