Mont. Code Ann. § 10-2-503

It is the duty of the person appointed as provided in 10-2-501 to cause the veteran to be interred as provided in this part, and the veterans' interment supervisor shall immediately report the action to the clerk of the board of county commissioners, setting forth all the facts, together with the veteran's name and rank, the last command to which the veteran belonged, so far as is known, the date of death, the exact place of interment, and an itemized statement of the expenses incurred by reason of the interment. The board of county commissioners may direct that additional information be kept in the book required to be kept by the clerk of the board of county commissioners by 10-2-504.