The Michigan Department of Health and Human Services has issued an Emergency Order Under MCL 333.2253 - Gathering Prohibition and Mask Order.
The full text of this order, dated October 5, 2020, is available at the following link - https://www.michigan.gov/documents/coronavirus/MDHHS_epidemic_order_-_Gatherings_masks_bars_sports_-_FINAL_704287_7.pdf