1. Short title This Act may be cited as the Compassionate Access, Research Expansion, and Respect States Act of 2017 or the CARERS Act of 2017 . 2. Federalism in drug policy Section 708 of the Controlled Substances Act ( 21 U.S.C. 903 ) is amended— (1) by striking No provision and inserting the following: (a) In general Except as provided in subsection (b), no provision ; and (2) by adding at the end the following: (b) Compliance with State law Notwithstanding any other provision of law, the provisions of this title relating to marihuana shall not apply to any person acting in compliance with State law, as determined by the State, relating to the production, possession, distribution, dispensation, administration, laboratory testing, recommending use, or delivery of medical marihuana. . 3. Exclusion of cannabidiol from definition of marihuana Section 102 of the Controlled Substances Act ( 21 U.S.C. 802 ) is amended— (1) in paragraph (16)— (A) by striking or cake, or the sterilized and inserting cake, the sterilized ; and (B) by adding , or cannabidiol before the period at the end