Error on the Tax tab which is not working for over a month. My case was designated to the Product Engineering team but there is no advance, don't know what else to do.

I see the urgency in resolving the error encountered on the tax tab so that you can successfully access it, info1905. I'll ensure that you get the information and help needed. 

Upon checking here, we still have an ongoing investigation (INV-104629) into the issue of customers being unable to access the Taxes tab and encountering an error message. Please be assured that we are taking your concerns seriously. Our dedicated product engineering team is actively working to examine it and develop a comprehensive solution.

For further updates, I recommend contacting our QuickBooks support. This way, you'll receive an email when this will be resolved. 

To reach our support team, follow these steps: 

1. Hover to the Help menu and press the Search tab.
2. Click Contact Us.
3. Choose a specific topic. Type in a short description in the box provided.
4. Hit Continue, then pick the Chat or Callback option.

Moreover, you can check out these resources to help you understand how QuickBooks computes sales taxes and how you can generate a report of it: 

• Learn how QuickBooks calculates sales tax. 
• Sales Tax Liability report. 
• Manage sales tax payments. 

Contacting our designated support will ensure you receive all the information about the investigation. Our expert team can also provide a workaround for you to proceed once it becomes available. I'm always here to help whenever you need assistance.