# DE-R-016

> If both supplier and customer are located in Germany, and if one of the VAT codes S, Z, E, AE, K, G, L, or M is used, an invoice shall contain at least one of the following elements: "Seller VAT identifier" (BT-31) or "Seller tax registration identifier" (BT-32) or "SELLER TAX REPRESENTATIVE PARTY" (BG-11).

Checked against Peppol BIS Billing 3.0 2026.5

Canonical: https://einvoicecheck.eu/rules/de-r-016

## Official rule text

If both supplier and customer are located in Germany, and if one of the VAT codes S, Z, E, AE, K, G, L, or M is used, an invoice shall contain at least one of the following elements: "Seller VAT identifier" (BT-31) or "Seller tax registration identifier" (BT-32) or "SELLER TAX REPRESENTATIVE PARTY" (BG-11).