Permits expire biennially on December thirty-first. The expiration date of the permit must appear on the permit and no other notice of its expiration need be given to the permittee.
N.D. Cent. Code § 43-23.3-10
Expiration of permit
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.