Skribe — Law. ERLEDIGT. | FairPlane — Claim. ERLEDIGT. | UNOY — Work. ERLEDIGT.
Digital advisor · WKO · Self

Check invoice attributes — mandatory details, correct and complete

A structured check of the statutory invoicing requirements.

Advisor Invoicing

In production

Work. ERLEDIGT.

UNOY · Customer
Guide

Which mandatory details belong on an invoice?

The invoice-attributes guide is part of WKO’s e-invoicing guidance and focuses on legally required entries. Businesses learn which details must appear on every invoice — and how to make sure their invoices meet the statutory requirements.

From the basic details to tax-law mandatory fields and special rules: the advisor walks through every relevant attribute systematically.

Areas covered

Which attributes are covered?

The advisor covers every statutory invoice element — from the basic details to tax-law special cases.

badge Sender and recipient details
day Invoice number and date
euro Tax-law mandatory details and VAT rates
rule Special rules (small-business scheme, reverse charge)
Result

What businesses get back.

A clear checklist of every mandatory entry that must appear on an invoice. Businesses can systematically check their existing invoice template against it and adjust as needed.

checklist Complete checklist of all mandatory details
search Systematic review of existing templates
gavel Legal certainty when issuing invoices
tips_and_updates Notes on common error sources

Invoice attributes automatically checked. Correct and complete.

30 minutes. Your consulting project. No slide deck.