Criminal Offenses - As introduced, decreases from 150 grams to 50 grams or more the amount of any substance containing fentanyl, carfentanil, remifentanil, alfentanil, thiafentanil, or any fentanyl derivative or analogue that is punished as a Class A felony for the knowing manufacture, delivery, or sale of the substance, or possession with intent to manufacture, deliver, or sell the substance. - Amends TCA Title 39, Chapter 17.

HB 573 changes Tennessee's criminal law by lowering the threshold for a Class A felony conviction related to fentanyl derivatives. It reduces the amount of substances like fentanyl, carfentanil, or their analogues that trigger this severe penalty from 150 grams to 50 grams or more for offenses including manufacturing, delivering, selling, or possessing with intent to do so. This bill directly affects individuals involved in the distribution or possession of these substances at or above the new 50-gram threshold. The law takes effect on July 1, 2025, as specified in the bill text.