Indiana Code Title 31. Family Law and Juvenile Law § 31-37-11-8

(1) setting forth the name and address of the witness if known;

(2) indicating the probability of procuring the witness's testimony within a reasonable time;

(3) showing that the absence of the witness has not been procured by the act of the prosecuting attorney;

(4) stating the facts to which the prosecuting attorney believes the witness will testify and the prosecuting attorney's belief that the facts are true;  and

(5) stating that the prosecuting attorney is unable to prove the facts specified under subdivision (4) through the use of any other witness whose testimony may be as readily procured.