S.43B: Deductions on actual payment-Explanation 5 to S. 43B, which was inserted by Finance Act, 2021 with effect from 1-4-2021 is clarificatory in nature and would apply retrospectively-Due date fell on a date which was a National Holiday, i.e., 15-8-2018, deposit could have been made by assessee only on date which followed National Holiday, i.e., 16-8-2018-the amount deposited on 16-8-2018 was to be allowed as deduction to assessee.[S. 36(i)(va), 139(1), 143(1(a)]