# EHF-REMINDER-B06901

Source: https://xmlvalid.com/rules/EHF-REMINDER-B06901

> Value MUST be part of code list 'Country codes (ISO 3166-1:Alpha2)'.

- Level: error
- Rule sets: EHF Reminder 3.0 rules (Norway) release 2026-09-29
- Context: `/ubl:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PostalAddress/cac:Country/cbc:IdentificationCode`
- Test: `(some $code in $clISO3166 satisfies $code = normalize-space(text()))`

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