# PEPPOL-COMMON-R001

Source: https://xmlvalid.com/rules/PEPPOL-COMMON-R001

> Document MUST not contain empty elements.

- Level: error
- Rule sets: Peppol Order rules 3.7, Peppol Order Response rules 3.2, Peppol Despatch Advice rules 3.5, Peppol Catalogue rules 3.5, Peppol Catalogue Response rules 3.0, Peppol Invoice Response rules 3.1, Peppol Message Level Response rules 3.0, Peppol Order Change rules 3.2, Peppol Order Cancellation rules 3.0
- Context: `//*[not(*) and not(normalize-space())]`
- Test: `false()`

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