53 Pa. Stat. § 12424
He shall audit accounts of the several departments and trusts, including the accounts of any board of directors of city trusts in such city, whether heretofore or hereafter created, and all other accounts in which the city is concerned, and submit annually to the council, in such manner as may by ordinance be directed, a report of the accounts of the city, verified by his oath or affirmation, exhibiting the assets, liabilities, and net worth of the city at the close of the preceding year, and the revenues, expenses, other expenditures, receipts, and disbursements of the preceding year, including the sources from which the revenues and receipts were derived and in what manner the same were disbursed, which report shall be published in pamphlet or book form.
53 P.S. § 12424