Can I use Ontario’s online Child Support Service to change child support?

You may be able to use the Ontario government's online Child Support Service to change the amount of  in your current:

  •  or 

You can only do this if the  parent's income has changed, and if you meet certain conditions. Step 1 has more information on these conditions.

A change in the income of the parent getting support is not a reason to change child support. This is because that parent's income is usually not taken into account when deciding how much child support should be paid.

Only one of you needs to ask to change child support online. In some cases, even if the other parent does not respond, the service may decide that the payor parent's income has increased and that child support payments should also increase.

The government calculates the amount of child support to be paid using the new income information. They then mail you and your partner a Notice of Recalculation that tells you how much child support must be paid.

This is usually based on your income tax returns or pay stubs. You must follow the Notice as if it's a court order.

You can talk to a lawyer about whether you should use the service.

Fees

You and your partner each have to pay a fee of $80 every time you use the service to set up or change child support. This fee is non-refundable. This means you cannot get it back if the service cannot calculate your child support. So make sure that you meet the conditions and have all the information you need before you start.

If your and your partner's incomes are low enough, you may be eligible for a fee waiver. If you qualify, it means you do not pay this fee.

You do not have to apply separately for a fee waiver. The service will automatically waive your fees based on your answers to certain questions in the online application.

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