North Dakota

North Dakota – Criminal Code – Weapons – 62.1-04-02… No
   person, other than a law enforcement officer, may carry
   any firearm or dangerous weapon concealed unless the
   person is licensed to do so or exempted…
– 12.1-01-04… 6. “Dangerous weapon” means, but is not
   limited to, any switchblade or gravity knife, machete,
   scimitar, stiletto, sword, or dagger…

  North Dakota Case Law:
– “A straight razor, unsuitable for shaving and altered in
   such a fashion as to enhance its effectiveness as a
   weapon, is a dangerous weapon that may not be carried
   concealed without a license or exemption.” (1988)