The title to a thing duly offered in performance of an obligation passes to the creditor if the debtor, at the time the offer is made, signifies the debtor's intention to that effect.
N.D. Cent. Code § 9-12-19
Offer of performance - When title passes
Official source: North Dakota Legislative Branch. Reproduced from public-domain North Dakota statutes; confirm against the official source for the current text. Not legal advice.