A windshield may not be shattered or in such a defective condition that the windshield materially impairs or obstructs the driver's clear view.
N.D. Cent. Code § 39-21-39.1
Windshield impairing vision of drivers
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.