Executive Order – Assignment of National Security and Emergency Preparedness Communications Functions
https://
obamawhitehouse.archives.gov/the-press-office/2012/07/06/executive-order-assignment-national-security-and-emergency-preparedness-
Sec. 5.5. With respect to the Intelligence Community, the DNI, after consultation with the heads of affected agencies, may issue such policy directives and guidance as the DNI deems necessary to implement this order. Procedures or other guidance issued by the heads of elements of the Intelligence Community shall be in accordance with such policy directives or guidelines issued by the DNI.