Ind. Code § 8-9.5-7-11
(b) The treasurer shall issue all warrants for the payment of money from the funds of the district, but no warrant shall be issued for the payment of any claim until such claim has been allowed in accordance with the procedure prescribed by the regulations of the commission. All warrants shall be countersigned by the president. Whenever the treasurer is called upon to issue any warrant, he shall have the power to require evidence that the amount claimed is justly due and in conformity with law and for that purpose may summon before him any officer, agent or employee of the district, or other person, and examine him on oath or affirmation relating thereto, which oath or affirmation the treasurer may administer.
As added by Acts 1982, P.L.77, SEC.1.