# EHF-REMINDER-B07001

Source: https://xmlvalid.com/rules/EHF-REMINDER-B07001

> Element 'cbc:CompanyID' MUST be provided.

- Level: error
- Rule sets: EHF Reminder 3.0 rules (Norway) release 2026-09-29
- Context: `/ubl:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme`
- Test: `cbc:CompanyID`

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