@wsrsm2002 wrote: "I got notification from California FTB that I still owed business tax of $800 + penalties."
$800 happens to be the exact amount of the annual tax that California assesses on each LLC. Is your wife perhaps registered as an LLC in California?
https://www.ftb.ca.gov/file/business/types/limited-liability-company/index.html#Filing-requirements
This is entirely separate from the California income tax.
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
