It’s a single-member LLC. We file the taxes on a schedule C attached to our personal taxes. The income is generated in Idaho. Does that answer your questions?I ...

If I'm understanding correctly, because we were only part-year Montana residents in 2020, we don't have to count any of the income as "Montana source income". N...

I appreciate the reply. I have one other clarification regarding Montana source income, and this is where I've been stuck. It reads to me that MT taxes all inco...