N.D. Cent. Code § 43-04-43: Barbershop - Regulations

No person may use for the purpose of practicing barbering any room or place which also is used for:

1.Residential purposes; or

2.Any business purpose other than the sale of hair tonics, lotions, creams, cutlery, toilet articles, cigars, tobacco, candies in original package, and such other commodities as are used and sold in barbershops, unless a substantial partition of ceiling height separates the portion used for residential or business purposes from the room used for barbering. A barbershop may be operated in conjunction with a beauty shop, shoe shining parlor, or agency for the reception and delivery of laundry without the separation thereof by a partition of ceiling height.