Tax exemption recognition subject to conditions on income application, investment modes, business incidental limits, filing and dissolution. Notification designates the institution for charitable income-tax exemption, conditional on exclusive application or accumulation of income for its objects, investments or deposits only in permitted forms (with an exception for voluntary contributions maintained as jewellery or furniture), exclusion of business income unless incidental and separately accounted, regular filing of income-tax returns, and transfer of surplus and assets on dissolution to a like charitable organisation.