Duties of secured party if account debtor has been

notified of assignment. (a) Except as otherwise provided in Subsection (c) of this section, this section applies if: (1) there is no outstanding secured obligation; and (2) the secured party is not committed to make advances, incur obligations or otherwise give value. (b) Within ten days after receiving a signed demand by the debtor, a secured party shall send to an account debtor that has received notification under Subsection (a) of Section 55-9-406 NMSA 1978 or Subsection (b) of Section 55-12-106 NMSA 1978 of an assignment to the secured party as assignee a signed record that releases the account debtor from any further obligation to the secured party. (c) This section does not apply to an assignment constituting the sale of an account, chattel paper or payment intangible.