Ottawa County Department of Public Health (Administrative Health Officer), Ottawa County Health Department Order: COVID-19 Prevention through the Wearing of Face Masks in Educational Settings (Aug. 20, 2021) (Ex. MI-084)
Michigan Department of Health and Human Services (Michigan Administrative Code, Communicable and Related Diseases rules), Mich. Admin. Code R 325.171 to R 325.199, Communicable and Related Diseases (R 325.173 reporting; R 325.174 investigation; R 325.175 control procedures) (standing) (Ex. DUT-MI-009)
