2023 North Dakota Code 57-61-01.5 – Separate and additional coal severance tax – Lignite research, development, and marketing program – Continuing appropriation – Administration

2022 North Dakota Code 57-61-01.5 – Separate and additional coal severance tax – Lignite research, development, and marketing program – Continuing appropriation – Administration

2021 North Dakota Code 57-61-01.5 – Separate and additional coal severance tax – Lignite research, development, and marketing program – Continuing appropriation – Administration

2019 North Dakota Code 57-61-01.5 – Separate and additional coal severance tax – Lignite research, development, and marketing program – Continuing appropriation – Administration

2016 North Dakota Code 57-61-01.5 – Separate and additional coal severance tax – Lignite research, development, and marketing program – Continuing appropriation – Administration

2014 North Dakota Code 57-61-01.5 – Separate and additional coal severance tax – Lignite research, development, and marketing program – Continuing appropriation – Administration

2009 North Dakota Code 57-61-01.5 – Separate and additional coal severance tax – Lignite research, development, and marketing program – Continuing appropriation – Administration