149.1—Policy.
(a)
Heads of federal departments and agencies which process, discuss, and/or store classified national security information, restricted data, and sensitive but unclassified information, shall, in response to specific threat data and based on risk management principles, determine the need for Technical Surveillance Countermeasures (TSCM).
To obtain maximum effectiveness by the most economical means in the various TSCM programs, departments and agencies shall exchange technical information freely; coordinate programs; practice reciprocity; and participate in consolidated programs, when appropriate.