A peremptory challenge can be taken by either party and may be oral. It is an objection to a juror for which no reason need be given but upon which the court must exclude that juror.
N.D. Cent. Code § 29-17-30
Peremptory challenge
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.