S. 12A : Registration –Trust or institution- Excess of income over expenditure, which was transferred to its reserve and surplus account cannot be assessed as income -First proviso to section 12A(2) inserted by Finance (No. 2) Act, 2014 with effect from 1-10-2014, has to be applied retrospectively. [ S. 2(15), 10(23C)(vi), 11(5) ]