# BR-DE-30

Source: https://xmlvalid.com/rules/BR-DE-30

> Wenn "DIRECT DEBIT" BG-19 vorhanden ist, dann muss "Bank assigned creditor identifier" BT-90 übermittelt werden.

- Level: error
- Rule sets: XRechnung 3.0 rules (UBL) 2.6.0
- Context: `/ubl:Invoice | /cn:CreditNote`
- Test: `not(cac:PaymentMeans/cac:PaymentMandate) or (cac:AccountingSupplierParty/cac:Party/cac:PartyIdentification/cbc:ID[@schemeID='SEPA'] | cac:PayeeParty/cac:PartyIdentification/cbc:ID[@schemeID='SEPA'])`

> Wenn "DIRECT DEBIT" BG-19 vorhanden ist, dann muss "Bank assigned creditor identifier" BT-90 übermittelt werden.

- Level: error
- Rule sets: XRechnung 3.0 rules (CII) 2.6.0
- Context: `/rsm:CrossIndustryInvoice`
- Test: `(($BT-89-path or $BT-91-path) and $BT-90-path) or $BG-19-not-existing`

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