Michigan Compiled Laws, Chapters 760 to 777 Code of Criminal Procedure § 767.38

Sec. 38. Every person held in prison upon an indictment shall, if he require it, be tried at the next term of court after the expiration of 6 months from the time when he was imprisoned, or shall be bailed upon his own recognizance, unless it shall appear to the satisfaction of the court that the witnesses on behalf of the people have been enticed or kept away, or are detained and prevented from attending court by sickness, or some inevitable accident.