N.D. Cent. Code § 2-05-11.2
On making proper application to the commission and paying the fee required under section 2-05-11.3, the owner of an antique, classic, or warbird aircraft may permanently register that aircraft in accordance with this section. An aircraft so registered may be used only for display, airshow demonstration, testing, and maintenance, and preparation flights necessary to maintain flight safety of operations otherwise permitted under this section. An aircraft so registered cannot be used for conducting commercial or private aviation business. An aircraft entitled to a permanent registration may be transferred to a new owner under that permanent registration. The new owner is entitled to permanent registration as long as the owner qualifies in accordance with this section.
N.D.C.C. § 2-05-11.2