The interest which would become due at the end of the term for which a loan is made, not exceeding one year's interest in all, may be deducted from the loan in advance if the parties thus agree.
N.D. Cent. Code § 47-14-08
Interest on loans may be deducted in advance - Limitation
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.