Free-zone sales to the Ghanaian domestic market are incorrectly classified in the invoicing system as zone exports, stripping 15 % VAT plus levies from transactions that should carry the full rate — a position GRA identifies quickly in E-VAT data.
Invoice-level zone flag that distinguishes GFZA-exempt export transactions from domestic supply invoices subject to full VAT and all three levy components, applied automatically based on buyer location.

