Change Behaviour on VAT Prod. Posting Group - Prices Incl. VAT in v28.2
Business Central v28.2 changed how it handles VAT Product Posting Group changes on G/L Account purchase lines when Prices Incl. VAT is enabled. Previously the total including VAT remained constant, but now the unit cost recalculates and the total amount decreases.
Read it hereOpen in Claudehttps-thatnavguy-com-blog-2026-bc-prices-incl-vat-prod-posting-group--3b717ab825.md
post That NAV Guy
"BC has always kept the Direct Unit Cost for G/L Account lines when you change the VAT Product Posting Group."
Key points
- VAT Product Posting Group changes on G/L Account lines now recalculate the direct unit cost when Prices Incl. VAT is true
- The total including VAT no longer stays constant after a VAT posting group change
- Build w1-28.2.50931.51034 introduced this change by including G/L Account lines in the unit cost update logic
- Sales line logic remains unaffected by this change
Quotes
- “BC has always kept the Direct Unit Cost for G/L Account lines when you change the VAT Product Posting Group.” (Explains the historical expected behavior that users relied on before v28.2)
- “If you’re on v28.2 and you use Prices Incl. VAT with G/L Account purchase lines, it’s worth to be cautious about this.” (Provides actionable guidance for users who may be affected by this regression)
Context
- Features: Prices Incl. VAT, VAT Product Posting Group, Direct Unit Cost recalculation
- Versions: 28.2
Source: That NAV Guy, community blog. Summary, key points and quotes are derived (CONTENT-NOTICE.md); read the original for the full text.