Mich. Comp. Laws § 29.5i

Sec. 5i. (1) A firm that is engaged in a dry cleaning operation that uses a flammable liquid shall not establish or maintain such an operation at a location unless the firm obtains a certificate from the department of environmental quality for that location. (2) A certificate shall not be issued until payment is made of a fee of $15.00 for the first dry cleaning machine in the firm's location and $6.00 for each additional dry cleaning machine in the firm's location. Beginning October 1, 1981, the fees imposed by this section shall be adjusted each year by the annual average percentage increase or decrease in the Detroit consumer price index—all items. The adjustment shall be made by multiplying the annual average percentage increase or decrease in the Detroit consumer price index for the prior calendar year by the current fee as adjusted by this subsection. The resultant product shall be added to the current fee as adjusted by this subsection and then rounded off to the nearest half dollar which shall be the new fee. (3) This section applies when a class IV installation is operated in the same building or establishment as other classes of dry cleaning installations. (4) As used in this section, "class IV installation" means that term as defined in section 13301 of the public health code, 1978 PA 368, MCL 333.13301.