# UBL-SR-25

Source: https://xmlvalid.com/rules/UBL-SR-25

> Deliver to party name shall occur maximum once

- Level: error
- Rule sets: EN 16931 rules (UBL) 1.3.17
- Context: `cac:Delivery`
- Test: `not(cac:DeliveryParty) or count(cac:DeliveryParty/cac:PartyName/cbc:Name) = 1`

> Deliver to party name shall occur maximum once

- Level: error
- Rule sets: EN 16931 rules 1.3.16 (UBL), EXTENDED-CTC-FR rules (UBL) 1.4.0.04, Romanian RO e-Factura rules (UBL) 1.0.9
- Context: `cac:Delivery`
- Test: `(count(cac:DeliveryParty/cac:PartyName/cbc:Name) <= 1)`

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