Change your previously created invoice back to the default (i.e, Part X is taxable, Part Y is non-taxable, customer/invoice is taxable).

Which of the following situations are taxable or non-taxable?

1.Customer=Taxable, Item=Taxable

2.Customer=Taxable, Item = Non-taxable

3.Customer=Non-taxable, Item = taxable

4.Customer-Non-taxable, Item=non-taxable