N.D. Cent. Code § 15-20.2-11

After an area career and technology center has been established, any other school district may become a participant in the center and may be governed by the provisions of this chapter upon following a process similar to that pursued by the school districts originally forming the center, including approval of the vote of the district board, the center board, and the state board according to the procedure set forth in sections 15-20.2-12 and 15-20.2-13.