In December 2012, the U.S. Departments of Defense (DoD), Interior, Agriculture, and Energy, and the Advisory Council on Historic Preservation (ACHP), entered into a “Memorandum of Understanding Regarding Interagency Coordination and Collaboration for the Protection of Indian Sacred Sites” (resigned in September 2016, extending duration to 2024). On November 6, 2015, pursuant to the terms of that MOU, the signatories issued a “Policy Statement on the confidentiality of Information about Indian Sacred Sites” (attached).