II 118th CONGRESS 1st Session S. 2474 IN THE SENATE OF THE UNITED STATES July 25, 2023 Mr. Cornyn (for himself, Mr. Carper , Mr. Tillis , and Mr. Brown ) introduced the following bill; which was read twice and referred to the Committee on Finance A BILL To amend title XVIII of the Social Security Act to ensure appropriate cost-sharing for chronic care drugs under Medicare part D.