II 116th CONGRESS 1st Session S. 1448 IN THE SENATE OF THE UNITED STATES May 14, 2019 Mr. Markey (for himself, Mr. Braun , and Mr. Manchin ) introduced the following bill; which was read twice and referred to the Committee on Health, Education, Labor, and Pensions A BILL To require certain practitioners authorized to prescribe controlled substances to complete continuing education.