# ibr-sr-56

Source: https://xmlvalid.com/rules/ibr-sr-56

> The Delivery Postal Address Line (ibt-165) MUST occur maximum once

- Level: error
- Rule sets: PINT Billing rules 1.1.3, PINT Billing rules (as shipped with PINT AE) 1.0.4
- Context: `cac:Delivery/cac:DeliveryLocation/cac:Address`
- Test: `(count(cac:AddressLine/cbc:Line) <= 1)`

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