31 C.F.R. § 536.410
Unless specifically authorized by OFAC pursuant to this part, no charitable contribution of funds, goods, services, or technology, except donations of articles, such as food, clothing, and medicine, intended to relieve human suffering, may be made by, to, or for the benefit of, or received from, a specially designated narcotics trafficker. For the purposes of this part, a contribution is made by, to, or for the benefit of, or received from, a specially designated narcotics trafficker if made by, to, or in the name of, or received from or in the name of, such a person; if made by, to, or in the name of, or received from or in the name of, an entity or individual acting for or on behalf of, or owned or controlled by, such a person; or if made in an attempt to violate, to evade, or to avoid the bar on the provision of contributions by, to, or for the benefit of such a person, or the receipt of contributions from such a person.
31 C.F.R. §536.410