Cheatography
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                    Summary of principles of derivative classification.
                    
                 
                    
        
        
            
    
        
                                    This is a draft cheat sheet. It is a work in progress and is not finished yet.
                    
        
                
        
            
                                
            
                
                                                
                                
    
    
            Only Authorized Sources
        
                        
                                                                                    
                                                                                             Security Classification Guides (SCG)  | 
                                                                                 
                                                                                            
                                                                                             Properly marked source documents  | 
                                                                                 
                                                                         
                             
    
    
            Principles of Derivative Classification
        
                        
                                                                                    
                                                                                            Use only authorized sources for classification guidance  | 
                                                                                 
                                                                                            
                                                                                            The use of only memory or “general rules” about the classification of broad classes of information is prohibited  | 
                                                                                 
                                                                                            
                                                                                            Observe and respect the classification determinations made by the OCA  | 
                                                                                 
                                                                                            
                                                                                            Identify yourself by name and position, or by personal identifier, in a manner that is immediately apparent for each derivatively classified document you created  | 
                                                                                 
                                                                                            
                                                                                            Apply standard markings to the derivatively classified material  | 
                                                                                 
                                                                                            
                                                                                            Take appropriate and reasonable challenge steps to resolve doubts or apparent conflicts about the classification, level of classification, and duration of classification of information  | 
                                                                                 
                                                                                            
                                                                                            Use caution when paraphrasing or restating information  | 
                                                                                 
                                                                         
                             
    
    
            Prohibitions and Limitations
        
                        
                                    
                        In no case shall information be classified, continue to be maintained as classified, or fail to be declassified in order to: 
   Conceal violations of law, inefficiency, or administrative error; 
   Prevent embarrassment to a person, organization, or agency; 
   Restrain competition; or 
   Prevent or delay the release of information that does not require protection in the interest of national security.  | 
                     
                             
                             
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            Classification Levels
        
                        
                                                                                    
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                                                                                                                        Unauthorized disclosure could reasonably be expected to cause...  | 
                                                                                 
                                                                                            
                                                                                            Top Secret (TS)  | 
                                                                                                                        exceptionally grave damage  | 
                                                                                 
                                                                                            
                                                                                            Secret (S)  | 
                                                                                                                        serious damage  | 
                                                                                 
                                                                                            
                                                                                            Confidential (C)  | 
                                                                                                                        damage  | 
                                                                                 
                                                                                            
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                                                                                                                        ...to the national security that the OCA is able to identify or describe.  | 
                                                                                 
                                                                         
                             
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