A corporation for mutual insurance may be formed in accordance with this chapter by any number of persons, not less than fifty, residing in not more than forty counties in this state, which collectively own property of not less than four hundred thousand dollars in value which the persons desire to insure; or any number of persons, not less than twenty-five, residing in any one county in this state, which collectively own property of not less than one hundred thousand dollars in value which the persons desire to insure. A county mutual insurance company organized under this chapter shall maintain a surplus of at least two hundred thousand dollars.
N.D.C.C. § 26.1-13-01