All contracts for the forfeiture of property subject to a lien in satisfaction of the obligation secured thereby and all contracts in restraint of the right of redemption from a lien are void.
N.D. Cent. Code § 35-01-10
Contracts for forfeiting property subject to lien void - Waiver of redemption void
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.