N.D. Cent. Code § 47-15-10 (2025)
47-15-10. Termination before end of term by letter.
The letter of personal property may terminate the hiring and reclaim the property before the end of the term agreed upon when the:
1. Hirer uses or permits a use of the property hired in a manner contrary to the agreement of the parties; or
2. Hirer does not make, within a reasonable time after request, such repairs as the hirer is bound to make.