11. (1) Every insurer, in the case of an insurer specified in sub-clause (a) (ii) or sub-clause (b) of clause (9) of section 2 in respect of all insurance business transacted by him, and in the case of any other insurer in respect of the insurance business transacted by him in Bangladesh, shall at the expiration of each calendar year prepare with reference to that year-(a) in accordance with the regulations contained in Part I of the First Schedule, a balance-sheet in the form set forth in Part II of that Schedule;(b) in accordance with the regulations contained in Part I of the Second Schedule, a profit and loss account in the forms set forth in Part II of that Schedule, except where the insurer carries on business of one class only of the classes specified in clauses (a), (b) and (c) of sub-section (1) of section 7 and no other business;(c) in respect of each class or sub-class of insurance business for which he is required under sub-section (1) of section 10 to keep a separate account of receipts and payments, a revenue account in accordance with the regulations, and in the form or forms, set forth in the Third Schedule applicable to that class or sub-class of insurance business. (2) Unless the insurer is a company as defined in clause (2) of sub-section (1) of section 2 of the Companies Act, 1913, the accounts and statements referred to in sub-section (1) shall be signed by the insurer, or in the case of a company by the chairman, if any, and two directors and the principal officer of the company, or in the case of a firm by two partners of the firm and shall be accompanied by a statement containing the names and descriptions of the persons in charge of the management of the business during the period to which such accounts and statements refer and by a report by such persons on the affairs of the business during that period.