Cannabis on American Indian reservations historically largely fell under the same regulations as cannabis nationwide in the United States. However, the August 2013 issuance of the Cole Memorandum opened discussion on tribal sovereignty as pertains to cannabis legalization, which was further explored as the states of Washington and Colorado legalized marijuana. A clarifying memo in December 2014 stated that the federal government's non-interference policies that applied to the 50 states, would also apply to the 326 recognized American Indian reservations. U.S. Attorney for Oregon, Amanda Marshall, stated that the clarification had been issued in response to legal questions from tribal nations, but that only three unnamed tribes, in California, Washington state, and "the Midwest" had stated