> For the complete documentation index, see [llms.txt](https://help.memberply.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.memberply.com/membership-applications/australian-abn-verification.md).

# Verify Australian Business Numbers

Australian stores can collect an Australian Business Number as part of a membership application. This can help trade, wholesale, professional, and partner programs review whether an applicant represents a genuine registered business.

ABN options are available only when the Shopify store country is Australia.

## Add an ABN field

1. Open **Applications > Programs** under **Membership**.
2. Create or edit an application program.
3. Add a field.
4. Choose **Australian Business Number** as the field type.
5. Map the field to **Business identifier**.
6. Mark it as required when every applicant must supply an ABN.
7. Enable ABN verification for the program when the option is available.
8. Save the program.

The ABN field validates the 11-digit number and checksum before the form is accepted.

## Official ABN Lookup results

When Memberply's official ABN Lookup connection is enabled, a submitted ABN can return available details such as:

* Whether the ABN is active
* Registered entity name
* Available business names
* Entity type
* State and postcode
* GST registration information

Memberply compares available names with the business name entered on the form. A mismatch, inactive ABN, suppressed information, or unavailable result is shown for review.

{% hint style="warning" %}
An active ABN does not prove that an applicant meets your program's eligibility rules. Use the lookup as one review signal and keep the final approval decision with your team.
{% endhint %}

## If official lookup is unavailable

Applications can still be submitted when the external lookup service or Memberply connection is unavailable. The application remains reviewable and the verification status shows that an automated result was not available.

Your team can manually search the public ABN Lookup website when necessary and decide whether to approve, reject, or request more information.

Stores outside Australia do not see the ABN field type or ABN verification settings.