r380-14

R 380-14classification markings, confirm that the OCA(s) for the information has not extended theclassification period. This can be done by reference to a security classification ordeclassification guide or to other appropriate guidance issued by the OCA or by consultationwith the OCA. For derivative documents, use the latest date of declassification of thedocuments. Refer to E.O. 13526, Section 1.6 and 2.1; ISOO Implementing Directive (32 CFRParts 2001 and 2003); the CAPCO Implementation Manual; and DoD 5200.1-R for additionalinstructions.6-4. MARKING IN THE ELECTRONIC ENVIRONMENT. General Guidance. Where specialprovisions for marking some types of computer-generated information are needed, therequirement remains to identify as clearly as possible the information that requires protection andthe level of protection it requires, and to make available either on the item or by other means, theother required information.a. Classified information resident in an electronic environment is subject to all of therequirements of Reference (d) and shall be:b. Marked with the required classification markings to the extent that such markings arepractical, including banner line with overall classification and control markings, portionmarkings, and classification authority block.c. Marked with the required classification markings when appearing in or as part of anelectronic output (e.g. database query) so that users of the information will be alerted to theclassification status of the information.d. Marked in accordance with derivative classification procedures (see paragraph 8.c of thisenclosure), maintaining traceability of classification decisions to the OCA. In cases whereclassified information in an electronic environment cannot be marked in this manner, a warningshall be applied to alert users that the information may NOT be used as a source for derivativeclassification and providing a point of contact and instructions on how to obtain further guidanceon use and classification of the information.e. Prohibited from use as source of derivative classification if the information is dynamic innature (e.g. wikis and blogs) and is not marked as required by References (d) and (e) and thisVolume.(1) All e-mail, blog and wiki entries, bulletin board posting, and other electronic messagesshall be marked as finished documents, in accordance with the requirements of this section, dueto the originator‟s inability to control retention and redistribution once transmitted. They shallnot be marked as working papers.(2) Some organizations use automated tools to mark electronic messages (e.g.,organizational messages, e-mails, and text or instant messages). It remains the individual‟sresponsibility to properly mark classified messages, including banner marking, portion markings,and classification authority block when an automated tool is used.6-3