[20200917]IN11503_大麻和移民限制 .pdf

CRS INSIGHT Prepared for Members and Committees of Congress INSIGHTINSIGHTi i Marijuana and Restrictions on Immigration September 17, 2020 Marijuana is listed as a Schedule I controlled substance under the Controlled Substances Act (CSA), and has been on Schedule I since the CSA was enacted in 1970 (P.L. 91-513). The Schedule I status of marijuana means that it is strictly regulated by federal authorities, regardless of state regulations and laws, and its growth, distribution, and possession (regardless of recreational or medicinal purposes) are prohibited under federal law aside from activities related to lawful research. Over the last several decades, states and territories have established a range of laws and policies regarding marijuanas medical and recreational use. Most states and territories have deviated from across-the-board prohibition of marijuana, and now have laws and policies allowing for some cultivation, sale, distribution, and possession of marijuana, while some states continue to prohibit any marijuana activity aside from lawful research. These developments have spurred a number of questions regarding potential implications for federal law enforcement activities a