QB Issue Resolution:
The only way to use different tax rates for different items is to create a sales tax item with a 0% rate and apply this to those items that should not add to your taxes.
Turning off the taxes for those line items that don’t need to be recorded is a great product suggestion. You can send it directly to our engineers by clicking the Gear icon, then choosing Feedback. They can check on it and have it considered to their future updates.
Resolution for Issue 'How can I tax items at different rates on the same sales receipt?' available: Yes (Solved).
Source: Intuit Community forum.
How can I tax items at different rates on the same sales receipt?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.Support for Sales Receipt
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Error Recovery for Sales Receipt [Canada]
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