S. 43B : Deductions on actual payment-Provident Fund contributions-Employee’s share of contribution is made on or before due date for furnishing return of income under section 139(1), assessee would be entitled to claim deduction-Explanatory memorandum to Finance Act, 2021 proposing amendment in section 36(1)(va) as well as section 43B is applicable prospectively with effect from 1-4-2021. [S. 36(1)(va), 139]