II 116th CONGRESS 2d Session S. 3404 IN THE SENATE OF THE UNITED STATES March 5, 2020 Mr. Burr (for himself and Mr. Bennet ) introduced the following bill; which was read twice and referred to the Committee on Health, Education, Labor, and Pensions A BILL To amend the Federal Food, Drug, and Cosmetic Act to provide for the regulation of in vitro clinical tests, and for other purposes.