Book profits adjustments under MAT exclude specific exempt incomes, depreciation, revaluation and business trust notional gains. Computation of book profits for MAT requires reducing specific items credited to profit and loss: withdrawals from reserves/provisions created by debiting profit and loss; exempt incomes credited to profit and loss; depreciation charged (excluding revaluation depreciation) and limited revaluation reserve withdrawals; share of profit from tax free AOP/BOI; certain foreign company incomes or capital gains on securities taxed below the specified threshold; notional gains or losses and transfers related to SPV shares and business trust units; royalty under the specified provision; tonnage tax company profits; deferred tax credited; and specified rules for carrying forward and setting off unabsorbed losses and depreciation.