The bonds which may be issued by the commission shall mature at such time or times, either serially or at one time, in not more than forty years from their date, or dates, as may be fixed by the resolution of the commission, but may be made callable before maturity, if so stated in the resolution and on the face of each bond.
N.D. Cent. Code § 61-02-47
When bonds to mature - Callable before maturity
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.