NAV/BC - How to get tax to calculate on Purchase Journal

• Based on gen bus posting group with auto insert default tax bus posting group ticked, and a default tax bus posting group defined
• Based on tax posting setups
• Based on tax business posting group on vendor/line item
• Gen. journal templates>allow vat differences
• Setup tax bus posting groups, setup accounts
• Define tax difference allowed on specific currency setup 
• populate Bal tax % (enable field) and Bal Tax amount
• OR Switch journal structure to do GL first, then bal to vendor
• MUST populate amount field, populating % field does not trigger correct tax calculation
• You must populate a tax amount to generate a tax difference, otherwise the tax does not post
• Document Amount is the tax inclusive amount
• These fields Must be defined or defaulted on balancing account
• Bal.Gen. Prod Posting Group – something vatable
• Bal Posting Type - purchase
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