# PEPPOL-T01-B13801

Source: https://xmlvalid.com/rules/PEPPOL-T01-B13801

> Value MUST be part of code list 'ISO 6523 ICD list'.

- Level: error
- Rule sets: Peppol Order rules 3.7
- Context: `/ubl:Order/cac:AccountingCustomerParty/cac:Party/cac:PartyLegalEntity/cbc:CompanyID`
- Test: `not(@schemeID) or (some $code in $clICD satisfies $code = @schemeID)`

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