1. Short title This Act may be cited as the Medication Access and Training Expansion Act of 2019 or the MATE Act of 2019 . 2. Requiring prescribers of controlled substances to complete training on treating and managing patients with opioid and other substance use disorders (a) In general Section 303 of the Controlled Substances Act ( 21 U.S.C. 823 ) is amended by adding at the end the following: (l) Required training for prescribers on treating and managing patients with opioid and other substance use disorders (1) Applicability This subsection applies— (A) with respect to any practitioner who is licensed under State law to prescribe controlled substances