147.19—The three standards.
         There are three standards (Attachment D to this subpart part summarizes when to use each one):
    
    
        
        (a) 
         The investigation and reinvestigation standards for “L” access authorizations and for access to confidential and secret (including all secret-level Special Access Programs not specifically approved for enhanced investigative requirements by an official authorized to establish Special Access Programs by section in 4.4 of Executive Order 12958) ( 60 FR 19825,  3 CFR 1995 Comp., p. 33);
    
    
        
        (b) 
         The investigation standard for“Q” access authorizations and for access to top secret (including top secret Special Access Programs) and Sensitive Compartmented Information;
    
    
        
        (c) 
         The reinvestigation standard for continued access to the levels listed in paragraph (b) of this section.