Officers of the national guard may not be commissioned as such unless they are at least nineteen years of age and shall have been selected from the classes of persons having the qualifications prescribed by federal law.
N.D. Cent. Code § 37-04-01
Commissioned officers of national guard - Qualifications
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.