Is your supplier’s ABN valid?
VIEW MORE Tools & ResourcesAs a business owner, the ATO holds you responsible for checking the validity of the ABNs provided to you by suppliers and contractors. Using the FREE and simple ABN Lookup site, you can check the status of the ABN and if the entity is registered for GST or not. If you want to claim the GST and the deduction for an expense, you would be wise to check that the ABN they gave you is valid.
Click below link to take you to ABN Lookup Tool.