QB Issue Resolution:

Either of those options would apply no tax, however you may want to use Out of Scope, as with the other two options the sales/expense amounts will still flow to your Sales Tax Return. This won’t affect the Payable at all, but will show on the Total Sales, or Total Expenses lines of the Return unless you use Out of Scope to omit it completely.

Resolution for Issue 'What do I put in for sales tax on expenses from items ordered online?' available: Yes (Solved).
Source: Intuit Community forum.

What do I put in for sales tax on expenses from items ordered online?: 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 canada
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!

Error Recovery for canada [Canada]
E-Tech is the #1 Quickbooks data migration and Conversion service provider.

Get 50% off Quickbooks Online

Click Here for 50% off!

Additional Support Options: