Mich. Comp. Laws § 32.1033

Sec. 33. If a person is held for trial by a general court-martial, the officer exercising special court-martial jurisdiction over the accused shall, within 8 days after the accused is ordered into arrest or confinement, if practicable, forward the charges, together with the investigation and allied papers, through military channels to the governor, or if that is not practicable, the officer shall report in writing the reasons for the delay.