To execute a search warrant, an officer may break open any outer or inner door or window of a house for the purpose of liberating a person who, having entered to aid the officer in the execution of the warrant, is detained therein, or when necessary for the officer's own liberation.
N.D. Cent. Code § 29-29-09
Liberating self or assistant - Use of force
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.