Office of the Director of National Intelligence, Intelligence Community Policy Memorandum Number 2007-500-1: Unevaluated Domestic Threat Tearline Reports [open pdf - 504KB]
"This Intelligence Community Policy Memorandum (ICPM) establishes Director of National Intelligence (DNI) policy regarding unevaluated domestic threat tearline reporting in support of Presidential Information Sharing Guidelines 2- 'Develop a Framework for Sharing of Information Between and Among Executive Departments and Agencies and States, Local, and Tribal Governments, Law Enforcement Agencies, and the Private Sector' and is consistent with Presidential direction in EO 13388 to produce terrorism information in a format that maximizes the dissemination to protect the territory, people, and interests of the U.S."
Intelligence Community Policy Memorandum No. 2007-500-1; ICPM 2007-500-1
Office of the Director of National Intelligence: http://www.dni.gov/