Versions of North Dakota Code 43-35-18.3 - Firm engaged in drilling of geothermal systems to employ certified driller - Exception on LawServer 2023 North Dakota Code 43-35-18.3 – Firm engaged in drilling of geothermal systems to employ certified driller – Exception 2022 North Dakota Code 43-35-18.3 – Firm engaged in drilling of geothermal systems to employ certified driller – Exception 2021 North Dakota Code 43-35-18.3 – Firm engaged in drilling of geothermal systems to employ certified driller – Exception 2019 North Dakota Code 43-35-18.3 – Firm engaged in drilling of geothermal systems to employ certified driller – Exception 2016 North Dakota Code 43-35-18.3 – Firm engaged in drilling of geothermal systems to employ certified driller – Exception 2014 North Dakota Code 43-35-18.3 – Firm engaged in drilling of geothermal systems to employ certified driller – Exception 2009 North Dakota Code 43-35-18.3 – Firm engaged in drilling of geothermal systems to employ certified driller – Exception