# PEPPOL-T01-R005

Source: https://xmlvalid.com/rules/PEPPOL-T01-R005

> Each order line item net price SHALL not be negative

- Level: error
- Rule sets: Peppol Order rules 3.7
- Context: `cac:Price`
- Test: `number(cbc:PriceAmount) >=0`

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