About using corporate card. Why don't get the tax classification from offset detail lines?

Summary:

About the AP invoice details generated from the expense of using the corporate card. There are both type generated the AP invoice details from expense "item" and from corporate card transaction "Miscellaneous". The corporate card transaction "Miscellaneous" generated in order to offset. The corporate card transaction "Miscellaneous" will assign tax classification code is "Application Tax Option" of "Financial Options Tax Classification". It can not be assigned the expense's tax classification code. 

Content (required):

In that case, Assigned tax classification code is "Application Tax Option" of "Financial Options Tax Class. The expense's TCC is tax free. The expense "item" is tax free. The AP invoice details from corporate card transaction "Miscellaneous" is taxable. These transactions are created journals.