N.D. Cent. Code § 14-09-33: References to child custody and custodial parent

Any law that refers to the "custody" of a child means the allocation of parental rights and responsibilities as provided in this chapter. Any law that refers to a "custodial parent" or "primary residential responsibility" means a parent with more than fifty percent of the residential responsibility and any reference to a noncustodial parent means a parent with less than fifty percent of the residential responsibility.