# PEPPOL-T19-R008

Source: https://xmlvalid.com/rules/PEPPOL-T19-R008

> Maximum quantity SHALL be greater than zero

- Level: error
- Rule sets: Peppol Catalogue rules 3.5
- Context: `cac:CatalogueLine`
- Test: `not(cbc:MaximumOrderQuantity) or number(cbc:MaximumOrderQuantity) >= 0`

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