Section 412. Cancellation

After the payment of all sums for which the buyer
  is  obligated  under  a  contract or obligation, and upon written demand
  made by the buyer, the holder shall deliver, or mail to the buyer at his
  last known address, such one or more good and sufficient instruments  as
  may  be  necessary  to  acknowledge  payment  in full and to release all
  security in the goods. This section does not repeal section  seventy-two
  of this chapter or section two hundred thirty-eight of the lien law.