137.123—Once stable base funding is negotiated, do funding amounts change from year to year?
               		
               		
               	 	
               	 	
               	 	
               	 		
    
         Stable base funding amounts are subject to adjustment:
    
    
        
        (a) 
         Annually only to reflect changes in Congressional appropriations by sub-sub activity excluding earmarks;
     
    
        
        (b) 
         By mutual agreement of the Self-Governance Tribe and the Secretary; or
     
    
        
        (c) 
         As a result of full or partial retrocession or reassumption.