N.D. Cent. Code § 20.1-13-06: Exemption from numbering provisions of this chapter

A motorboat may not be required to be numbered under this chapter if it is:

1.Already covered by a number, in full force and effect, awarded it pursuant to federal law or a federally approved numbering system of another state, provided such motorboat has not been within this state for more than ninety consecutive days.

2.A motorboat from a foreign country temporarily using the waters of this state.

3.A motorboat owned by the United States, a state, or a subdivision thereof.

4.A ship's lifeboat.