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How to Object to a Child Support Recalculation Decision in Alberta

Learn the 30-day deadline, the court forms and the Notice of Objection needed to challenge an Alberta Child Support Recalculation Program decision.

Family Law5 min readTSLBy the Treadstone Law Team · AlbertaUpdated November 1, 2026
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Key takeaways
  • You have 30 days after receiving a recalculation decision to object, and the decision takes effect about one month after it is issued.
  • Objecting means applying to court to vary, suspend or terminate the order and sending the program a Notice of Objection with the filed application and affidavit.
  • The program does not deal with arrears or retroactive support, and the $77 fee is charged even if you disagree.

You open a letter from the Child Support Recalculation Program and the new amount is not what you expected. Maybe your income is not what the program used, or the change seems to come from nowhere. The next few weeks matter, because the deadline to object is short.

This article covers the steps and deadlines for objecting, the court forms that usually apply, and why a recalculated amount can be wrong. It does not explain how the program works in general. It is general information, not advice on your situation.

This article covers the law of Alberta.

The two dates that matter

A recalculation decision takes effect about one month after it is issued. A parent has 30 days after receiving the decision to object. Because the decision takes effect on its own timetable, do not wait to see whether the new amount feels wrong once payments start.

Outside the program, the general rule is that a support amount does not change until the court has made an order. How that rule interacts with the timing of a recalculation in your case is worth confirming with a lawyer, especially if the effective date is close.

How you object

Objecting is a two-part process. First, you apply to court to vary, suspend or terminate the order. Second, you send the program a Notice of Objection to Recalculation Decision together with the filed application and affidavit. Sending only a letter of complaint to the program is not the process the program describes.

Which court forms apply

The forms depend on your family history. The court application is filed at the court and location where you have already been to court with the other party or started an action. If neither applies, you file at any court in Alberta. If you do not attend, the judge may make an order in your absence.

Your situationForms
Parents were not married or in a common-law relationship, or no divorce was started: recipientClaim (Family Law Act) CTS3459, Affidavit of Service – Applicant CTS3513 and Recipient's Statement – Vary Child Support CTS3470
Same situation: payorCTS3459, CTS3513 and Payor's Statement – Vary Child Support CTS3471
Parents are divorced or a divorce was startedCourt of King's Bench Application to Change Child Support and Arrears, plus the Disclosure Statement (RCA11252)

A payor who wants to reduce or cancel arrears uses a separate form, the Application to Reduce or Cancel Arrears.

What the court looks at

Objecting does not mean the court simply re-reads the program's decision. You must show a legal reason to change the order. For a divorce-based order, the court must be satisfied that a change of circumstances under the applicable guidelines has occurred. Where the amount includes a table determination, that is any change that would result in a different child support order or any provision of it.

For an order under the Alberta Family Law Act, the court must be satisfied of either a change of circumstances, including those provided for in the guidelines, or evidence of a substantial nature that was not available at the previous hearing. For an order under the Divorce Act, a court varying child support must do so in accordance with the applicable guidelines. Whether your facts meet the test is something a lawyer can assess.

Why a recalculated amount can be wrong

The program only considers changes in guideline income, and no other terms of the order change. That narrow approach is one reason an amount may not fit your life. Common problems include:

If late paperwork led to a deemed increase, the real tax documents are likely central to your court application.

What the program cannot fix, and what to do next

The program applies only going forward. It does not award or reduce arrears, provide retroactive support, or help parents get a new order. Each parent also pays a $77 service fee for each recalculation that changes their support amount, even if they disagree with the decision. Arrears or backdated claims need a court application.

Frequently asked questions

How long do I have to object to a recalculation decision?

You have 30 days after receiving the decision. The decision itself takes effect about one month after it is issued. Acting early gives you more room.

Do I still pay the $77 fee if I disagree?

Yes. Each parent pays a $77 service fee for each recalculation that changes their support amount, even if they disagree with the decision. Parents in the Maintenance Enforcement Program have it applied to their file automatically.

Can the program fix my arrears or backdate support?

No. The program applies only going forward and does not award or reduce arrears or provide retroactive support. Those issues require a court application.

Do I send my objection to the program or to the court?

Both. You apply to court to vary, suspend or terminate the order, then send the program a Notice of Objection to Recalculation Decision with the filed application and affidavit.

Sources

Links go to official government, court and regulator pages. The law changes — confirm you are reading the current version.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Alberta laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a lawyer who practises in Alberta. Reach us at 1-844-900-1070 or send our Team a message.

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