438.106—Liability for payment.
         Each MCO, PIHP, and PAHP must provide that its Medicaid enrollees are not held liable for any of the following:
    
    
    
    
    
        
        (2) 
         The State, or the MCO, PIHP, or PAHP does not pay the individual or health care provider that furnishes the services under a contractual, referral, or other arrangement.
    
    
        
        (c) 
         Payments for covered services furnished under a contract, referral, or other arrangement, to the extent that those payments are in excess of the amount that the enrollee would owe if the MCO, PIHP, or PAHP provided the services directly.