Book profit computation form requires audited adjustments, transition amount disclosure, and certification of tax payable under the Act. Form No. 66 prescribes a chartered accountant's report for computation of book profit under section 206(1) of the Act. It requires disclosure of company particulars, tax year, income and profit figures, consistency of accounting policies and depreciation methods, and adjustments to profit by specified additions, deductions, and transition amount items. The form also provides for computation of final book profit, identification of the assessee company type, and tax payable on book profit, supported by a certificate that the computation has been examined and the particulars are true and correct.