Indiana Code Title 10. Public Safety § 10-16-9-5

Sec. 5. If a sentence of imprisonment is to be served in a place other than in a guardhouse or tent, the reviewing authority in the case of a general or special court-martial and the summary court officer in the case of a summary court-martial shall issue to the sheriff of the county where the confinement has been ordered by the reviewing authority an order of confinement in a form approved by the adjutant general.