QB Issue Resolution:
No, there is no way to assign a tax code to a bundle. A bundle is just a nick name for things that are usually sold together, other than the list of items in the bundle it has no properties
Resolution for Issue 'Can I change the tax code on a bundle that is comprised of products and services that have different tax codes?' available: Yes (Solved).
Source: Intuit Community forum.
Can I change the tax code on a bundle that is comprised of products and services that have different tax codes?: 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.
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