secret - (SPAWAR) is - The US Navy

EECNAVINST 5S10.36
17 MM 1999
derivative classification guidance, place “Multiple Sourcee” on
the $$Derived fromqa line. However, if “Multiple Sources” ie used,
maintain a record of the sources on or with the file or record
copy of the document. When feasible, thie list should be
included with all copies of the document. If the document has a
bibliography, or reference list, this may be used as the list of
sourcee, however, amotate the list to distinguish the sources of
claeeification from other reference.
6-10 USE OP TNB “DOWNGRADE ‘f@ ANO “DKLASBIPY OIW LINES
1. When applicable, place the “Downgrade to” line on a document
immediately below either the “Classified by” and “Reasone lines
or the ‘Derived fronn line. The “Downgrade to” line ie ueed to
indicate that a change in document classification level will
occur on a specific date or event. The “Downgrade to” line is
alwaye used in addition to the *’Declassify onn line (see exhibits
6A-6 through 6A-8).
2. Place the ‘Declassify onn line on a document immediately
below the ‘Classified by” and ‘Reason” lines, or the “Derived
from” line, or immediately below the ‘Downgrade ton line, if a
‘Downgrade to” line is ueed. The “Declassify on” line is used to
indicate that a document no longer requires classification after
a epecific date or event, or that the document ie exempt from
automatic declassification (i.e., requires an “X” code) (see
exhibite 6A-3 and 6A-7). Reference (c) discusses the use of “25X
codes” as a declassification instruction applied to permanentlyvaluable
records.
3. When derivatively classifying a document, the most
restrictive downgrading and declassification instruction(s) of
all the sources shall be carried forward to the newly created
document.
6-11 WARNING NOTICES
1. Warning notices advise the holders of a document of
additional protective measures euch ae restrictions on
reproduction, dissemination or extraction. See exhibit 8A for a
listing of distribution statements for technical documents.
2. ‘The following warning notices are authorized for uee, when
applicable:
Disaemiaation and Reproauotion lioticee. Mark classified
docu%nts subject to special dissemination and reproduction
6-6 SECNAVINST 5510.36