Versions of North Dakota Code 4.1-20-21 - Assistance for district supervisors on LawServer 2023 North Dakota Code 4.1-20-21 – Assistance for district supervisors 2022 North Dakota Code 4.1-20-21 – Assistance for district supervisors 2021 North Dakota Code 4.1-20-21 – Assistance for district supervisors 2019 North Dakota Code 4.1-20-21 – Assistance for district supervisors