1. Short title This Act may be cited as the Creating Transparency to Have Drug Rebates Unlocked (C-THRU) Act of 2017 . 2. Public disclosure of drug discounts (a) In general Section 1150A of the Social Security Act ( 42 U.S.C. 1320b–23 ) is amended— (1) in subsection (c), in the matter preceding paragraph (1), by striking this section and inserting subsection (b)(1) ; and (2) by adding at the end the following new subsection: (e) Public availability of certain information In order to allow patients and employers to compare PBMs’ ability to negotiate rebates, discounts, and price concessions and the amount of such rebates, discounts, and price concessions that are passed through to plan sponsors, beginning January 1, 2018, the Secretary shall make available on the Internet website of the Department of Health and Human Services the information provided to the Secretary under paragraphs (2) and (3) of subsection (b) with respect to each PBM. The Secretary shall ensure that such information is displayed in a manner that prevents the disclosure of information on rebates, discounts, and price concessions with respect to an individual drug or an individual plan. . (b) Effective date The amendments made by subsection (a) shall take effect on January 1, 2018. 3. Minimum drug discounts required To be passed through to the plan sponsor (a) In general Section 1150A of the Social Security Act ( 42 U.S.C. 1320b–23 ), as amended by section 2(a)(2), is amended— (1) in the heading, by inserting ; minimum drug discounts required to be passed through to the plan sponsor before the period at the end