You are exempt only because California recently passed a change that impacted LLC's, LLP's and LP's.
See attached.
https://www.ftb.ca.gov/about-ftb/newsroom/tax-news/december-2020/all-about-business.html#:~:text=Cal....
*A reminder that posts in a forum such as this do not constitute tax advice.
Also keep in mind the date of replies, as tax law changes.
