Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.51903

Sec. 51903. All cuttings of forest growth, slash, and debris referred to in sections 51901 and 51902  1 shall be disposed of within 30 days after cutting the same in the manner prescribed by the department. The disposal shall not be injurious to or endanger public or private property. Any burning of cuttings of forest growth, slash, and debris shall be done only under permit and at a time when forest and grass lands are not endangered by the fire.