(a) Statement.--As soon after the end of each fiscal year as is feasible, the board shall cause to be prepared and printed a report and financial statement of the authority's operations for the previous year and of its assets and liabilities prepared in accordance with generally accepted accounting principles. A reasonably sufficient number of copies of the report shall be printed for distribution to persons interested, upon request. A copy of the report shall be filed with the Secretary of the Commonwealth, the county clerk of each county in the metropolitan area and the clerk of each municipality which has granted rights to the authority by ordinance, and a copy of the report shall be addressed to and mailed to the mayor and city council or the governing body of the municipality. The board from time to time shall mail, to the persons and offices specified, copies of the interim financial reports as may be prepared by the authority, copies of all bylaws, rules and regulations, and amendments thereto, and copies of the annual financial budgets.

(b) Audit.--The board shall appoint in due time each year a firm of independent certified public accountants as auditors who shall examine the books, records and accounts, operations and assets and liabilities of the authority for the purpose of auditing and reporting upon its financial statements for such year. The auditors shall audit the books, records, accounts, operations and assets and liabilities of the authority in accordance with generally accepted auditing standards. The report of the auditors shall be appended to the financial statement.