Use Default Tax Code for Subcontracts
Check this box if subcontract items should default with the tax code set up on the project/job or vendor (depending on the Base Tax On option selected on the Info tab).
This selection impacts subcontract items that are created in the following forms:
SL Add Item (opened using SL Change Order Entry )
If you leave this box unchecked, no tax code will default on the subcontract items.