Some Accounting Exports include an option called "Include and Distribute Material Tax". When this option is checked, the Material Tax is rolled into the Material Cost Code from which it is derived, however, when unchecked, Material Tax is not included in the Export at all, even if you assign Material Tax to a Cost Code.
Other Accounting Exports include an option called "Distribute Tax". When this option is checked, Material Tax is rolled into the Material Cost Code from which it is derived when this option is selected. However, when unchecked Material Tax shows as a separate line up, with the same Material Cost Code, but with a different Category Code (MT).
See Related Articles at the bottom of this article for additional information about the various exports available in Quick Bid.