S. 37(1) : Business expenditure-Books of account and documents in custody of Central Bureau of Investigation-Assessing Officer has power and duty to requisition documents from another Public Authority-Disallowance of expenditure is not valid-Findings of Tribunal cannot be interfered with unless perverse or illegal. [S. 131, 260A]

S. 37(1) : Business expenditure-Capital or revenue-Owner of Hotel-Compensation paid towards termination of agreement to receive back possession of building, furniture and fixtures-Allowable as revenue expenditure.

S. 37(1) : Business expenditure-Pre-paid expenses or advance payments-Entitled to claim expenses in year in which incurred.

S. 37(1) : Business expenditure-Loss on foreign exchange forward contracts-Allowable as revenue expenditure.

S. 37(1) : Business expenditure-Capital or revenue-Expansion of existing business-Expenditure on setting up new unit-Expenditure on feasibility study-Loan Processing fee and bank charges-Revenue expenditure.

S. 37(1) : Business expenditure-Debenture at premium-Liability to be spread over period covered by debentures. [S. 145]

S. 37(1) : Business expenditure-Prior period expenses-Allowable as deduction. [S. 145]

S. 35 : Scientific research expenditure-Expenditure towards clinical trials for availing of facility of its subsidiary abroad and at facility not approved by prescribed authority-Weighted deduction not allowable. [S. 35(2AB)]

S. 35 : Scientific research expenditure-Weighted deduction-Expenditure incurred on in-house research and development facility-Entitled to weighted deduction. [S. 35(2AB)]

S. 32 : Depreciation-Additional depreciation-Entitled to balance of additional depreciation not availed of in earlier year in subsequent assessment year. [S. 32(1)(iia)]