This part establishes for schools receiving Bureau funding a definition of “Adequate Yearly Progress (AYP).” Nothing in this part:
    
    
        
        (a) 
         Diminishes the Secretary's trust responsibility for Indian education or any statutory rights in law;
     
    
        
        (b) 
         Affects in any way the sovereign rights of tribes; or
     
    
        
        (c) 
         Terminates or changes the trust responsibility of the United States to Indian tribes or individual Indians.