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Preparing, lodging and paying

Access information about preparing, lodging and paying.

How to complete, lodge and pay your business activity statement (BAS) or GST/PAYG instalment notice.

How to report your business income and claim deductions plus other yearly reports or returns you may need to lodge.

Keep accurate and complete records helps you meet your tax, superannuation and employer obligations.

You can fix or amend mistakes or if you left something out of business or super tax returns and activity statements.

Learn about transactions entities report that may have tax or super impacts for others ('third-party' information).

What to do if you process transactions for business clients through an electronic payment system.

How individuals and businesses can make a payment to the ATO.

If you disagree with a decision we have made about your tax affairs, the decision can be reviewed.