In any strike in this state it is illegal for any person other than an employee of the particular establishment against which such strike is called or a local resident member of the union representing the employees of such establishment to picket in aid of such strike. Picketing in violation of this section is hereby declared to be unlawful and against the peace and dignity of the state and is subject to restraint by the district court of the county where such picketing occurs.
N.D.C.C. § 34-09-12