# FX-SCH-A-000271

Source: https://xmlvalid.com/rules/FX-SCH-A-000271

> Element 'ram:IncludedNote' may occur at maximum 1 times.

- Level: error
- Rule sets: Factur-X BASIC rules 1.09, Factur-X EN 16931 rules 1.09.2
- Context: `/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:IncludedSupplyChainTradeLineItem/ram:AssociatedDocumentLineDocument`
- Test: `count(ram:IncludedNote)<=1`

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