I 115th CONGRESS 2d Session H. R. 5520 IN THE HOUSE OF REPRESENTATIVES April 16, 2018 Mr. Walz (for himself, Mr. Roe of Tennessee , and Mr. Correa ) introduced the following bill; which was referred to the Committee on Veterans' Affairs A BILL To authorize the Secretary of Veterans Affairs to use the authority of the Secretary to conduct and support research on the efficacy and safety of medicinal cannabis, and for other purposes.