# BR-CIUS-PT-49

Source: https://xmlvalid.com/rules/BR-CIUS-PT-49

> The Mandate reference identifier (BT-89) or the Debited account identifier (BT-91) shall be filled.

- Level: error
- Rule sets: CIUS-PT rules (Portugal, UBL) 2.1.1
- Context: `cac:PaymentMeans`
- Test: `exists(cac:PaymentMandate) and (not(cac:PaymentMandate/cbc:ID) and not(cac:PaymentMandate/cac:PayerFinancialAccount/cbc:ID))`

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