As overseas travel became more common in the 1960s, the ATO stopped issuing tax clearance certificates (which had previously reminded Australians planning on travel that they must ensure they had paid all tax owed prior to leaving the country).
Step 1 of 5
Solving tax problems
If you need to make a change to a tax return you have submitted, you can request an amendment. If you believe the ATO has made an incorrect assessment, you can lodge an objection.