Infor LX & BPCS Tip: What prevents tax from being calculated on a purchase order?

Review the setup and check the following:

1. Are the vendor and item (or commodity) tax codes present on the purchase order?
2. Are the tax codes for the vendor/item (commodity) combination present in the tax table?
3. What tax rate code are they pointing to?
4. What is the tax rate defined for the tax code?