We understand how you feel, @sharon35.
We know you're putting so much effort and time into getting a resolution to your concern with your sales tax liability report showing a zero rate. Rest assured, I'm here to ensure you get routed to the right direction of support to sort out this query.
I've checked here on my end and found that there's an ongoing investigation that users are experiencing the same problem with their reports. Please know that our team is aware of this matter and is currently implementing measures to fix it.
In the meantime, I suggest contacting our QuickBooks Online Support Team so they can add you to the list of affected users. You'll be notified via email once this issue is resolved.
To ensure that we address your concern accurately, you can check our available hours when contacting our support.
In addition, I've added these handy articles that can help you with keeping track of and handling reports in QBO:
Please bear with us as we're working on this concern with Sales tax liability reports. Keep me posted if you have any other questions or concerns about managing your transactions in QuickBooks Online. I'll be around for you. Keep safe always.
