# HR-BR-10

Source: https://xmlvalid.com/rules/HR-BR-10

> Elektronička adresa Kupca (BT-49) mora biti navedena

- Level: error
- Rule sets: Croatian eRačun rules (UBL) 13.03.2026
- Context: `cac:AccountingCustomerParty`
- Test: `cac:Party/cbc:EndpointID`

In English: The buyer's electronic address (BT-49) must be given.

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