After you file

And....are you certain the notice about this really came from her state and is not a scam?   2018 is a long time ago.   Check with the state to make sure this is legit.

https://ttlc.intuit.com/turbotax-support/en-us/help-article/state-taxes/contact-state-department-rev...

 

**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**