49 8-27. How is the face of a document containing information derivatively classified marked? 1. With “Derived from" and "Reason" lines 2. With a "Derived from" line only 3. With "Classified by" and "Reason" lines 4. With a "Classified by" line only 8-28. How is the "Classified by" or "Derived from" line of a document classified by a combination of sources annotated? 1. "Compilation of Sources" 2. "Various Sources" 3. "Multiple Sources" 4. "See attached listing" 8-29. At a minimum, where shall a record of the sources of documents classified by a combination of sources be maintained? 1. With the file or record copy of the document 2. With all copies of the document 3. With the bibliography page 4. With the reference list 8-30. What does the "Downgrade to" line indicate? 1. The date or event the document is unclassified 2. The classification level the document is to be downgraded to only 3. The date or event that a document will be downgraded to a lower classification level only 4. The specific date or event in which a document is to be downgraded and at what classification level 8-31. What does the "Declassify on" line indicate? 1. The date or event on which a document should have a declassification review 2. The date or event on which a change in a document's classification level will occur 3. The date or event at which a document no longer requires classification in the interest of national security 4. The date or event the document is releasable to the public 8-32. What does an "X" code annotated on the "Declassify on" line indicate? 1. The document is exempt from automatic declassification 2. The document is declassified 3. The document should be reviewed for declassification 4. The document is tentatively declassified 8-33. What instruction discusses the use of "25X codes" as a declassification instruction applied to permanently-valuable records? 1. SECNAVINST 5510.36 2. OPNAVINST 5513.16A 3. OPNAVINST 5513.1E 4. SECNAVINST 5510.30A 8-34. What is the "Declassify on" line of a document classified by a combination of sources annotated with? 1. The most restrictive downgrading and declassification instructions of all the sources 2. The most restrictive downgrading instructions of all the sources only 3. An "X" code 4. The date of the most recent source