(720 ILCS 570/409)
(from Ch. 56 1/2, par. 1409)
Except for convictions or acquittals which are the basis for
a charge of narcotics racketeering under Section 4 of the Narcotics Profit
Forfeiture Act, a conviction or acquittal, under the laws of the United
States or of any State relating to controlled substances, for the same act
is a bar to prosecution in this State.
(Source: P.A. 87-466.)