Versions of North Dakota Code 4.1-45-22.1 - Facility operations and maintenance costs on LawServer 2023 North Dakota Code 4.1-45-22.1 – Facility operations and maintenance costs 2022 North Dakota Code 4.1-45-22.1 – Facility operations and maintenance costs 2021 North Dakota Code 4.1-45-22.1 – Facility operations and maintenance costs