Is it possible no to defeault tax for expense report invoices?

Summary:

Our Manage Application Tax Options for Payables set up:

 1. Supplier site

2. Expense report template

3. Payables financial options (IVA SOP 21) 

Problem: In the invoices from expense reports the defaulted tax is IVA SOP 21 (because the first and second options are not available for this kind of invoices, correct), but this is not correct, because this invoice type should not have TAX. ¿Is there any set up in order to solve this issue? 

Content (required):

GOAL: Maintain the defaulting order, but excluded the expense report invoices (because for other invoices works well):

Version (include the version you are using, if applicable):