Form 1040 schedule a line 16 instructions July 8, 2019 16 32 64 128 Form 1040 line 16 instructions Form 1040 line 16 instructions 2022 Form 1040 schedule e line 16 instructions Form 1040 line 16 instructions 2023 Form 1040 line 16 instructions 2021 Schedule 1 form 1040 Form 1040-x Form 1040