If a tribe fails to substantially perform work under a contract or agreement:
    
    
        
        (a) 
         For self-determination contracts, the Secretary must use the monitoring and enforcement procedures in  25 CFR 900.131(a) -(b) and ISDEAA,  part 900 subpart L (appeals); and
     
    
        
        (b) 
         For self-governance agreements, the Secretary must use the monitoring and enforcement procedures in  25 CFR part 1000 subpart K.