After the payment of all sums for which the buyer is obligated under a contract and upon demand made by the buyer, the holder shall deliver, or mail to the buyer’s last known address, such 1 or more good and sufficient instruments as may be necessary to acknowledge payment in full and to release all security in the goods under such contract.
Del. Code tit. 6, § 4323
Acknowledgment of payment in full; release of security in goods
6 Del
Official source: Delaware Code Online. Reproduced from public-domain Delaware statutes; confirm against the official source for the current text. Not legal advice.