Tax exemption under section 10(23C) granted to a charity board subject to application, investment, business and dissolution conditions. Notification designates The Clearing & Forwarding Unprotected Dock Labour Board, Mumbai as eligible for exemption under section 10(23C) for the stated assessment years, subject to conditions: income must be applied or accumulated exclusively for its objects; investments and deposits must be restricted to authorised forms; business income is excluded unless incidental and separately accounted; regular filing of income-tax returns is required; and on dissolution surplus assets must transfer to a similar charitable organisation.