N.D. Cent. Code § 57-30-02

In any action brought by any county to determine adverse claims and to quiet title to real estate acquired through tax deed proceedings, the county may unite in the same complaint as many separate claims for relief as the state's attorney determines to be advisable, but each description of real estate and the name of any person claiming an adverse estate or interest therein must be stated separately so that any answering defendant can take issue with the county by challenging the truth of the facts alleged in the particular paragraph applicable to the property of such answering defendant.