California state return includes an income from another state. How to change it?

[TerryA · Accepted solution]

If you are a Calif resident then you don't change it - a taxpayer's resident state gets to tax all of the income regardless of where it comes from.

If you are a part-year or nonresident then you get to tell TT/Calif in Nonresident Adjustments how much of each income item is Calif-source.