Indiana Code Title 8. Utilities and Transportation § 8-22-3-22

Sec. 22. (a) The state board of accounts shall audit the records of the authority and shall prescribe or approve all accounting forms and records used by the authority.

(b) In addition, the treasurer shall, if required by the board, submit his records of account as treasurer of the authority to a certified public accountant or firm of certified public accountants, as selected by the board, for audit.  That person shall prepare and submit a certified account of the records of account to the board exhibiting the revenues, receipts, and disbursements and the sources from which the revenues and funds are derived and in what manner they have been disbursed.