When a contract which is required by law to be in writing is prevented from being put into writing by the fraud of a party thereto, any other party who by such fraud is led to believe that it is in writing and acts upon such belief to that party's prejudice may enforce it against the fraudulent party.
N.D. Cent. Code § 9-06-03
Written contract prevented by fraud - Oral contract enforceable
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.