456.144—Data sources for studies.
         Data that the committee uses to perform studies must be obtained from one or more of the following sources:
    
    
    
        
        (b) 
         External organizations that compile statistics, design profiles, and produce other comparative data;
    
    
    
    
    
    
    [43 FR 45266, Sept. 29, 1978, as amended at 51 FR 43198, Dec. 1, 1986]