18. (1) The Corporation shall maintain proper accounts and other relevant records, and prepare annual statement of accounts, including the profit and loss account and balance sheet, in accordance with such general directions as may be issued, and such form as may be prescribed, by the Government. (2) The accounts of the Corporation shall be audited by not less than two auditors, being chartered accountants within the meaning of the Bangladesh Chartered Accountants Order, 1973 (P.O. No. 2 of 1973), who shall be appointed by the Board. (3) Every auditor appointed under sub-section (2) shall be given a copy of the annual balance sheet and other accounts of the Corporation who shall examine it together with the account books and vouchers relating thereto; and shall have a list delivered to him of all books kept by the Corporation, and at all reasonable times have access to the books, accounts and other documents of the Corporation, and may in relation to such accounts examine any Director or officer of the Corporation. (4) The auditors shall report to the Government upon the annual balance sheet and accounts, and in their report they shall state whether, in their opinion, the balance sheet contains all necessary particulars and is properly drawn up so as to exhibit a true and correct view of the state of the affairs of the Corporation and, if they have called for any explanation or information from the Board, whether it has been given and whether it is satisfactory. (5) The Government may, at any time, issue directions to the auditors requiring them to report to it upon the adequacy of measures taken by the Corporation for the protection of the interest of the Government or upon the sufficiency of their procedure in auditing the affairs of the Corporation, and may, at any time, enlarge or extend the scope of the audit or direct that different procedure in audit shall be adopted or that any other examination shall be made by the auditors or any other person or persons if, in its opinion, the interest of the Government so requires.