4. Get your Notice of Calculation

After you submit your online application for , your partner gets a notice in the mail from the Ministry of the Attorney General. This notice tells them that you applied to the Child Support Service to set up child support.

The notice:

  • lists the names and dates of birth of children the support is for
  • lists the special expenses that you're asking for
  • tells your partner to respond by going to ontario.ca/page/arranging-child-supportwithin 25 days

If your partner responds saying they do not agree to use the service, the service will not be able to process your application. And you will not get your money back. The service mails you a letter explaining why your application was not processed.

If your partner does not respond, the service will not be able to process your application. And you will not get your money back.

Get your Notice of Calculation

If your partner responds and agrees to use the Child Support Service, the service uses your income information and sends a  to you and your partner that says how much child support must be paid.

Both of you must follow the Notice of Calculation as if it's a .

A mistake on your Notice of Calculation

If you or your partner thinks your Notice of Calculation has a mistake, for example, a name is spelled wrong, or the  parent's pay stubs were not used to calculate income correctly, you can ask for it to be corrected within 15 days of the date the Notice is .

If you disagree with the Notice of Calculation for another reason, for example, you do not agree with the amount of child support the service calculated, you have to ask the court to change it. You do this by bringing a motion to change child support.

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