Rule 1. Annually the commissioner shall adjust the maximum work loss benefit prescribed in subdivision (b) of section 3107 of the insurance code by the ratio of the national consumer price index as calculated by the United States department of labor for all items for June of each year to the corresponding consumer price index 1 year earlier, rounded to the nearest dollar. If the index is unavailable, the commissioner shall make a reasonable approximation. The effective date of the adjustment is October 1 of each year. The commissioner shall notify all interested parties of the adjustment.
Mich. Admin. Code R. 500.811