; and (4) by adding at the end the following new section: 580. Enforcement; smoke-free zones (a) Enforcement The Secretary may not prohibit or otherwise discourage any activity involving the use, distribution, possession, sale, or manufacture of marihuana in federally assisted housing that is in compliance with the law of the State in which such activity takes place. (b) HUD smoke-Free zones Not later than 90 days after the date of the enactment of the Marijuana in Federally Assisted Housing Parity Act of 2018 , the Secretary shall issue regulations that restrict smoking marihuana in federally assisted housing in the same manner and same locations as the Secretary restricts smoking tobacco in public housing under subpart G of title 24, Code of Federal Regulations (or any successor regulation). (c) Marihuana defined In this section, the term marihuana has the meaning given such term in section 102 of the Controlled Substances Act ( 21 U.S.C. 802 ). .