431.40—Basis and scope.
        
        (a) 
         This subpart sets forth State plan requirements and exceptions that pertain to the following administrative requirements and provisions of the Act:
    
    
    
    
    
    
    
        
        (6) 
         Special waiver provisions applicable to American Samoa and the Northern Mariana Islands— section 1902(j); and
    
    
        
        (7) 
         Exceptions to, and waiver of, State plan requirements— sections 1915 (a) -(c) and 1916 (a)(3) and (b)(3).