AN ACT relating to controlled substances. Amend KRS 218A.010 to define "fentanyl," "carfentanil," and "fentanyl derivatives"; amend KRS 218A.020 to expand the authority of the Office of Drug Control Policy to request the rescheduling of a substance; amend KRS 218A.050 to schedule fentanyl derivatives as Schedule I controlled substances; amend KRS 218A.1410 to include carfentanil, fentanyl, or fentanyl derivatives; amend KRS 218A.1412 to make trafficking in any amount of fentanyl, carfentanil, or fentanyl derivatives subject to elevated penalties; amend KRS 218A.142 to include carfentanil, fentanyl, or fentanyl derivatives; amend KRS 218A.205 to require state licensing boards to promulgate regulations limiting prescriptions for Schedule II controlled substances for acute pain to a three day supply, with certain exceptions; create a new section of KRS Chapter 218A to create a new offense of trafficking in a misrepresented controlled substance.