If the plaintiff in an action after its commencement becomes a nonresident of the state, the plaintiff shall give surety for costs in the same manner as is required of a nonresident in commencing an action.
N.D. Cent. Code § 28-26-28
Surety on becoming nonresident
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.