Michigan Compiled Laws, Chapter 169. Campaign Financing and Advertising § 169.246

Sec. 46.(1) At the beginning of every odd numbered year, the secretary of state shall recommend adjustments to and which shall be approved by the legislature of the dollar value floor for reporting of the name, address, occupation, and employer, or principal place of business of persons who make contributions pursuant to this act, on the basis of the consumer price index and the number of registered voters in the state.

(2) Beginning January 1, 2019 and every 4 years thereafter, the secretary of state shall adjust the dollar value contribution limits provided in sections 52, 52a, and 69(1). 1 The secretary of state shall adjust the limits in sections 52, 52a, and 69(1) by comparing the percentage increase or decrease in the consumer price index for the preceding August by the corresponding consumer price index 4 years earlier. The secretary of state shall multiply that percentage change by the amounts in sections 52, 52a, and 69(1). The secretary of state shall round up each dollar value adjustment made under this subsection to the nearest $25.00. The secretary of state shall announce the adjustments made under this subsection by December 15 of each year.

(3) As used in this section, “consumer price index” means the most comprehensive index of consumer prices available for the Detroit area from the bureau of labor statistics of the United States department of labor.