N.D. Cent. Code § 62.1-02-03
A person who possesses, obtains, receives, sells, or uses a short-barreled rifle or a short-barreled shotgun is guilty of a class C felony. This section does not apply to a law enforcement officer who possesses, obtains, receives, sells, or uses a short-barreled rifle or a short-barreled shotgun in the course of or in connection with the officer's official duties, to a member of the armed forces of the United States or national guard, organized reserves, state defense forces, or state guard organizations who possesses or uses a short-barreled rifle or short-barreled shotgun issued to the member by that organization and while on official duty, or to any person who complies with the National Firearms Act [26 U.S.C. 5801-5872].
N.D.C.C. § 62.1-02-03