The first computers used by the ATO were used primarily for issuing the five million refund cheques sent out each year in the mid 1960s.
What do you know about ABNs?
Using the graphic organiser below as a starting point create your own diagram to review your understanding of an Australian business number (ABN).
You could use the diagram above or create your own diagram using bubbl.us.
Complete each circle in the outer ring by adding one item you know about ABNs that accurately completes the starting stem. Remember, there is no single 'correct' answer.
Share your work by uploading your document in a forum posting.