In this part—
    
    
        
        (a) 
         “Must” identifies steps that Federal agencies are required to take; and
     
    
        
        (b) 
         “Should” identifies steps that the General Services Administration (GSA) recommends.
     
    
        
            Code of Federal Regulations
        
        
            Note to § 102-192.20
                :
            In their internal policy statements, agencies may require steps that GSA recommends. However, agencies may not change required steps into non-mandatory recommendations.