N.D. Cent. Code § 10-19.1-139.1

If a foreign corporation authorized to transact business in this state converts to another organization permitted by its governing statute, within thirty days after the conversion becomes effective, the newly created organization resulting from the conversion shall file with the secretary of state a certified statement of conversion duly authenticated by the proper officer of the jurisdiction in which the statutory conversion was effected. Any foreign organization that is the converted organization in a conversion and which will continue to transact business in this state shall obtain a certificate of authority or applicable registration in accordance with the North Dakota governing statute applicable to the converted organization.