Sample XRechnung invoice (UBL)

A valid XRechnung invoice in UBL — the German CIUS of EN 16931, used for invoices to the public sector (and increasingly B2B). Note the German-specific BR-DE-* requirements: a Leitweg-ID in BuyerReference (BT-10), a seller contact group with phone + email, post codes, payment instructions, and the XRechnung CustomizationID.

Validate it

validate-einvoice validate xrechnung-ubl-invoice.xml --format xrechnung-ubl

Get a free API key and wire it into your CI with the GitHub Action.

Source: KoSIT — xrechnung-testsuite, standard business case 01.01a (UBL).