# PEPPOL-T19-R006

Source: https://xmlvalid.com/rules/PEPPOL-T19-R006

> Prices of items SHALL not be negative

- Level: error
- Rule sets: Peppol Catalogue rules 3.5
- Context: `cac:RequiredItemLocationQuantity`
- Test: `number(cac:Price/cbc:PriceAmount) >=0`

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