Michigan Compiled Laws, Chapter 333. Health § 333.17012

Sec. 17012. (1) An individual shall not engage in postgraduate medical study which requires the practice of medicine by that individual without a full or limited license to practice under this part.

(2) A limited license for a postgraduate shall require that the individual confine his or her practice and training to a hospital or institution approved by the board for the training. The hospital or institution is responsible for the training. A limited license for a postgraduate is renewable for not more than 5 years.