# CII-SR-451

Source: https://xmlvalid.com/rules/CII-SR-451

> Only one payee identifier should be present (either the ID or the Global ID)

- Level: warning
- Rule sets: EN 16931 rules (CII) 1.3.17, EN 16931 rules 1.3.16 (CII), EXTENDED-CTC-FR rules (CII) 1.4.0.04
- Context: `/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement`
- Test: `(not(ram:PayeeTradeParty/ram:ID) and ram:PayeeTradeParty/ram:GlobalID) or (ram:PayeeTradeParty/ram:ID and not(ram:PayeeTradeParty/ram:GlobalID)) or (not(ram:PayeeTradeParty/ram:ID) and not(ram:PayeeTradeParty/ram:GlobalID))`

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