---
title: Identification numbers
description: List of identification numbers (to be used in Atrium) To make sure you apply for a limit on the company you are actually doing business with, it is best to make the request based on your customer's un
---

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# Identification numbers

List of identification numbers (to be used in Atrium)

To make sure you apply for a limit on the company you are actually doing business with, it is best to make the request based on your customer's unique identification number. In the tool below you will find for the 34 most common countries which unique number you can use to find a debtor in Atrium. This way, you know from the start which number is best to request from the debtor.

If the country you do business with is not in this tool, you can also find the correct type of identification number and its correct representation in Atrium via the 'Debtor Search' section.

<iframe id="JotFormIFrame-240934255487363" title="List of identificationnumbers BE-ENG" onload="window.parent.scrollTo(0,0)" allowtransparency="true" allow="geolocation; microphone; camera; fullscreen" src="https://form.jotform.com/240934255487363" frameborder="0" style="min-width:100%;max-width:100%;height:539px;border:none;" scrolling="no">
    </iframe>

| [![feedback-eng](https://support.atradius.be/hs-fs/hubfs/customer-portal/ENG/feedback-eng.png?width=192&height=40&name=feedback-eng.png)](https://form.jotform.com/240943627713358) This is how we improve your Customer Portal together | Browse the Practical Guide [![previous-page2](https://support.atradius.be/hs-fs/hubfs/previous-page2.png?width=45&height=45&name=previous-page2.png)](https://support.atradius.be/en/practical-guide/compensation)[![next-page2](https://support.atradius.be/hs-fs/hubfs/next-page2.png?width=45&height=45&name=next-page2.png)](https://support.atradius.be/en/practical-guide/booking-of-collection-costs) |
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