# PEPPOL-COMMON-R044

> IPA Code (Codice Univoco Unità Organizzativa) must be stated in the correct format

Checked against Peppol BIS Billing 3.0 2026.5

Canonical: https://einvoicecheck.eu/rules/peppol-common-r044

## Official rule text

IPA Code (Codice Univoco Unità Organizzativa) must be stated in the correct format