MI HB4255

Establishes enhanced penalties specifically for heroin, fentanyl, carfentanil, and their derivatives, creating tiered mandatory minimum sentences based on drug quantity (e.g., 1,000+ grams carries 30 years to life without parole and up to $2,000,000 fine)

Creates new mandatory 10-year minimum sentence for adults who deliver or possess with intent to deliver heroin, fentanyl, or carfentanil to minors, with maximum of 40 years imprisonment

Adds new felony offense for knowingly selling products containing heroin, fentanyl, or carfentanil without disclosing their presence, punishable by mandatory 10-year imprisonment served consecutively with other drug charges

Sets mandatory minimum prison terms for fentanyl-related offenses: 5 years minimum for under 50 grams, 10 years for 50-450 grams, 15 years for 450-1,000 grams

Takes effect 90 days after enactment