If you lived in Pennsylvania less than 31 days in 2020 and
- your employer withheld PA income tax: you can file state tax return as Arkansas resident and PA non-resident to return your PA income tax withheld;
- your employer didn't withheld PA income tax: you can file tax return as Arkansas state resident only;
If you lived in PA more than 31 days in 2020 you'll need to file part-time Pennsylvania state resident and Arkansas state resident tax returns.
