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