§12A-3-601.

§12A-3-601.
   
                     DISCHARGE AND EFFECT OF DISCHARGE
                                      
   (a) The obligation of a party to pay the instrument is discharged as
   stated in this article or by an act or agreement with the party which
   would discharge an obligation to pay money under a simple contract.
   
   (b) Discharge of the obligation of a party is not effective against a
   person acquiring rights of a holder in due course of the instrument
   without notice of the discharge.