Michigan Compiled Laws, Chapter 207. Taxation § 207.561a

Sec. 11a. (1) If a facility was subject to an industrial facilities exemption certificate on or after December 31, 2012, notwithstanding any other provision of this act to the contrary, that portion of the facility that is eligible manufacturing personal property shall remain subject to the industrial facilities tax and shall remain exempt from ad valorem property taxes as provided in section 8  1 until that eligible manufacturing personal property would otherwise be exempt from the collection of taxes under section 9m, 9n, or 9o of the general property tax act, 1893 PA 206, MCL 211.9m, 211.9n, and 211.9o. The holder of an industrial facilities exemption certificate that has been extended under this subsection shall indicate that portion of a facility that is eligible manufacturing personal property by annually filing the combined document required under section 9m or 9n of the general property tax act, 1893 PA 206, MCL 211.9m and 211.9n, with the assessor of the township or city in which the eligible manufacturing personal property is located by the date required under section 9m or 9n of the general property tax act, 1893 PA 206, MCL 211.9m and 211.9n.

(2) As used in this section: