2019 form 1040 schedule a instructions July 8, 2019 16 32 64 128 2019 form 1040 instructions 2019 form 1040 schedule 1 instructions 2019 form 1040 schedule 2 instructions 2019 form 1040 instructions pdf Schedule 1 form 1040 Form 1040 Schedule c form 1040 Schedule 2 form 1040