Versions of North Dakota Code 38-25-07 - Permit requirements - Storage in salt cavern on LawServer 2023 North Dakota Code 38-25-07 – Permit requirements – Storage in salt cavern 2022 North Dakota Code 38-25-07 – Permit requirements – Storage in salt cavern 2021 North Dakota Code 38-25-07 – Permit requirements – Storage in salt cavern