QB Issue Resolution:

Sales tax is already there and available; it is a Function, not a field or a custom field, in that is built in and attached to the Sales Tax Functionality. You would turn on sales tax management in the file, set up the Rates, assign which customers are taxable at which agency or combined rates, assign a default taxable or not to each specific items, and then the program will compute and assess, based on what gets sold to whom. You see all of this on your screen and in the forms.

Resolution for Issue 'Custom Invoice Template' available: Yes (Solved).
Source: Intuit Community forum.

Custom Invoice Template: 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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Error Recovery for custom invoice [Canada]
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