Section 12 1 of income tax act July 8, 2019 16 32 64 128 Section 12 1 )( b of income tax act Section 12 1 )( ac of income tax act Section 12 1 )( b )( ii of income tax act 12 1 income tax act Section 139 1 and rules 12 ab of the income tax act 1961 Tax act 1065 How to use tax act W-2 form box 12 24b income tax act