I 116th CONGRESS 1st Session H. R. 3223 IN THE HOUSE OF REPRESENTATIVES June 12, 2019 Mr. Marshall (for himself, Mr. Welch , Mr. Carter of Georgia , and Mr. Gonzalez of Texas ) introduced the following bill; which was referred to the Committee on Energy and Commerce A BILL To require the Comptroller General of the United States to study the role pharmacy benefit managers play in the pharmaceutical supply chain and to provide Congress with appropriate policy recommendations, and for other purposes.