# PEPPOL-EN16931-P0112

Source: https://xmlvalid.com/rules/PEPPOL-EN16931-P0112

> Invoice type code 326 or 384 are only allowed when both buyer and seller are German organizations

- Level: error
- Rule sets: Peppol BIS Billing 3.0 rules 3.0.21
- Context: `cbc:InvoiceTypeCode`
- Test: `not(normalize-space(.) = '326' or normalize-space(.) = '384') or ($supplierCountryIsDE and $customerCountryIsDE)`

Validate a document against these rules: https://xmlvalid.com/validate
