HB5148 Summary

• Amends the Illinois Controlled Substances Act to lower the heroin threshold triggering mandatory minimum sentences from 15 grams to 5 grams for Class X felony charges.

• Adds fentanyl as a controlled substance subject to the same mandatory minimum sentencing structure as heroin, with 15 grams or more triggering Class X felony penalties.

• Implements a mandatory 3-year sentence enhancement when any controlled substance contains fentanyl, in addition to the base sentence for drug offenses.

• Modifies sentencing requirements in the Unified Code of Corrections to establish mandatory minimum imprisonment for heroin and fentanyl violations, with no eligibility for probation or conditional discharge.

• Introduces new sentencing tier (D-5) requiring mandatory minimum imprisonment for 3 or more grams of heroin, separate from existing provisions for larger quantities.