II 116th CONGRESS 1st Session S. 1654 IN THE SENATE OF THE UNITED STATES May 23 (legislative day, May 22), 2019 Mr. Casey (for himself, Mr. Isakson , Mr. Menendez , Mr. Portman , Mr. Cardin , and Mr. Cassidy ) introduced the following bill; which was read twice and referred to the Committee on Finance A BILL To amend the Internal Revenue Code of 1986 to provide authority to add additional vaccines to the list of taxable vaccines.