Use your original adjusted gross income (AGI) from last year if you:
- Filed late (in this case, you can also try to enter zero when you e-file)
- Amended
- Got a notice about changing your return
Always use the amount from the return you filed first (the original), not an amended one.
Related Information:
- What if I entered the correct AGI and I’m still getting an e-file reject?
- Can I file a 2020 return if I haven't filed my2019 return yet?
- What if I e-filed before April 15, but my return got rejected after the deadline?
- Do I need to amend?
- What's last year's AGI if we filed jointly in 2019 but are using Married Filing Separately in 2020?