# BR-FXEXT-02

Source: https://xmlvalid.com/rules/BR-FXEXT-02

> If the invoice line item free text subject code (BT-X-10) is specified, either the coded invoice line item free text (BT-X-9) or the invoice line item free text (BT-127) must be specified, or both. If both BT-X-9 and BT-127 are specified, both must have the same meaning.

- Level: error
- Rule sets: Factur-X EXTENDED rules 1.09.2
- Context: `//ram:AssociatedDocumentLineDocument/ram:IncludedNote[ram:SubjectCode]`
- Test: `(ram:ContentCode) or (ram:Content)`

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