It will take the ATO 24-28 hours following registration to update on the ABR website, including the ABN lookup.
You have the option to select an ABN start date in your application. If you choose a future date, your ABN details will not appear on the ABR website until this date. However, you may receive an email prior to this date, stating that your ABN has been registered. It will not be active until the date specific in the application.
All information provided on this webpage is general information about our products and services. Nothing on this webpage is intended to be professional advice of any kind and should not be relied on as such. You should obtain specific financial, legal or other professional advice before relying on the content of this webpage. By not seeking such advice, you accept the risk that the information on this webpage may not meet the specific needs of your business. Our liability is limited to the maximum extent permitted by applicable law in accordance with our website terms and conditions.
Updated — Mar 15, 2019