(1) Limit the amount of classified information
disclosed to the absolute minimum to achieve the purpose;
(2) Limit the number of individuals who receive it;
(3) Transmit the classified information via Federal
Government channels by the most secure and expeditious method approved for
transmission of classified information, or other means deemed necessary
when time is of the essence;
(4) Provide instructions about what specific
information is classified, how it should be safeguarded; physical custody
of classified information must remain with an authorized Federal
Government entity, in all but the most extraordinary circumstances;
(5) Provide appropriate briefings to the recipients
on their responsibilities not to disclose the information and obtain a
signed nondisclosure agreement;
6) Within 72 hours of the disclosure of classified
information, or the earliest opportunity that the emergency permits, but
no later than 30 days after the release, the disclosing authority must
notify the originating agency and provide information on what information
was disclosed to whom and why, how the information was disclosed or
transmitted; and how the information is being safeguarded now. A
description of the security briefing that was provided and a copy of the
signed nondisclosure agreement(s) should also be provided.
