# CII-SR-474

Source: https://xmlvalid.com/rules/CII-SR-474

> An invoice line shall not contain more than one AdditionalReferencedDocument with TypeCode 130.

- Level: warning
- Rule sets: EN 16931 rules (CII) 1.3.17, EN 16931 rules 1.3.16 (CII), Factur-X EN 16931 rules 1.09.2
- Context: `/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:IncludedSupplyChainTradeLineItem/ram:SpecifiedLineTradeSettlement`
- Test: `count(ram:AdditionalReferencedDocument[normalize-space(ram:TypeCode) = '130']) <= 1`

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