# BR-NL-23

Source: https://xmlvalid.com/rules/BR-NL-23

> The use of an invoice note subject code (/*/rsm:ExchangedDocumentContext/ram:BusinessProcessSpecifiedDocumentContextParameter/ram:ID) is not recommended, unless desired by a particular network (such as PEPPOL)

- Level: warning
- Rule sets: NLCIUS rules (CII) 1.0.3.13
- Context: `ram:BusinessProcessSpecifiedDocumentContextParameter/ram:ID[$s]`
- Test: `false`

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