Carroll, J.D., Mohlenhoff, B.S., Kersten, C.M., McNiel, D.E., Binder, R.L. (Sept. 2020). Laws and Ethics Related to Emotional Support Animals. Journal of the American Academy of Psychiatry and the Law Online DOI: 10.29158/JAAPL.200047-20
Emotional support animals are NOT service animals under current ADA laws
Michigan follows ADA law - Emotional support animals do NOT fall under current guidelines as a service animal https://www.nolo.com/legal-encyclopedia/michigan-laws-on-service-dogs-and-emotional-support-animals.html
On the other hand, these article state that the difference between service animal and emotional support animal is a gray area especially in academic / educational settings.