Michigan Compiled Laws, Chapter 205. Taxation § 205.311a

Sec. 11a. As used in this act, “carbon dioxide secondary or enhanced recovery project” means operations designed to increase the amount of oil or gas recoverable from a reservoir by injection of carbon dioxide, either alone or as a primary component of a mixture with other substances, provided the project has been approved as a secondary or enhanced recovery project by order of the supervisor of wells under the authority of part 615 of the natural resources and environmental protection act, 1994 PA 451, MCL 324.61501 to 324.61527, or part 617 of the natural resources and environmental protection act, 1994 PA 451, MCL 324.61701 to 324.61738.