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Disagreements and the disputes process

If you disagree with an assessment or decision regarding your tax or child support, you may need to follow a formal process.

Dispute a general tax decision or assessment

If we can't agree on a disputable decision or assessment you may need to follow the disputes process. This process makes sure your rights are protected if the matter goes to court.

You may start the disputes process if you:

  • disagree with a disputable decision or assessment we've made, or
  • want to propose an adjustment to your tax return

and you've been unable to resolve the issue with us.

We may start the disputes process if we disagree with a return you’ve filed and have been unable to resolve the issue with you.

Find out how the disputes process works in each situation and what you need to do.

Disagreement with a child support decision or assessment

Find out what to do if you disagree with a decision we've made about the amount of child support you're paying or receiving.

Other options

If you need to make a change that does not require a dispute, use one of the options below.

Putting your tax returns right

Find out what to do if your tax return has been filed with the wrong information and you need to correct it.

Correcting minor errors

Find out what to do if you have a minor error in your:

Complaints Management

Find out what to do if you aren't satisfied with our service, processes, or a policy decision.