# BR-FR-13_BT-34

Source: https://xmlvalid.com/rules/BR-FR-13_BT-34

> Le BT-34 (cbc:EndpointID du vendeur) est obligatoire. Valeur actuelle : BT-34=" … ".

- Level: error
- Rule sets: French e-invoicing rules (UBL) 1.4.0.04
- Context: `ubl:Invoice | cn:CreditNote`
- Test: `normalize-space($endpointID) != ''`

> BR-FR-13/BT-34 : Le BT-34 est obligatoire. Valeur actuelle : BT-34=" … ".

- Level: error
- Rule sets: French e-invoicing rules (CII) 1.4.0.04
- Context: `rsm:CrossIndustryInvoice`
- Test: `string($endpointID)`

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