Maine 4.21.952 Importation of a Controlled Substance, 21 U.S.C. Sec. Sec. 952, 960, is a state law that prohibits the importation of a controlled substance into the state of Maine without a valid prescription. This law is based on the federal law, 21 U.S.C. Sec. Sec. 952, 960, which criminalizes the importation of controlled substances into the United States. Under this law, any person found to be importing a controlled substance into the state of Maine without a valid prescription can be subject to criminal penalties. The types of controlled substances that are prohibited under this law include marijuana, cocaine, methamphetamine, and other Schedule I and II controlled substances. In addition to criminal penalties, violators may also be subject to civil penalties, including fines and possible forfeiture of assets.