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ABN Lookup is a free online service that lets you search and verify Australian Business Numbers (ABNs) and other business details. Learn how to apply, update, cancel, or check an ABN , and access quick links and resources for tax professionals. If the ABN quoted on the invoice is not valid or the details do not match the supplier, you must withhold from the payment at the top tax rate. You can use ABN Lookup to check an ABN . If the ABN you have been provided is wrong, you can report it to us using our self-help services. ABN Lookup lets you search by ABN , ACN or name to access publicly available information supplied by businesses. Learn how to update your ABN details, use the web services and find out about the trading name changes. ABN Lookup is a service that allows you to check the details of an Australian Business Number ( ABN ) holder. You can use ABN Lookup to find out if a business is registered, what type of business it is, and who is responsible for it.
