§490:3-602 Payment. (a) Subject to subsection (b), an instrument is paid to the extent payment is made (i) by or on behalf of a party obliged to pay the instrument, and (ii) to a person entitled to enforce the instrument. To the extent of the payment, the obligation of the party obliged to pay the instrument is discharged even though payment is made with knowledge of a claim to the instrument under section 490:3-306 by another person.
(b) The obligation of a party to pay the instrument is not discharged under subsection (a) if: