In a guaranty of a contract the terms of which are not then settled, it is implied that its terms shall be such as will not expose the guarantor to greater risks than the guarantor would incur under those terms which are most common in similar contracts at the place where the principal contract is to be performed.
N.D. Cent. Code § 22-01-07
Guaranty of contract the terms of which are unsettled - Interpretation
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.