All class B specifications apply to class C authorized emergency vehicles except that a blue flashing light must be displayed in place of an amber light as provided in section 39-10-03.1.
N.D. Cent. Code § 39-10-03.2
Class C authorized emergency vehicles
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.