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How to Start a Family Court Case With Form 8 in Ontario

Learn when to use Form 8 or 8A, which attachments you need, how the court issues your application, and what to do after filing in Ontario family court.

Family Law4 min readTSLBy the Treadstone Law Team · OntarioUpdated October 28, 2026
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Key takeaways
  • A general application is Form 8, while a divorce-only application uses Form 8A.
  • The attachments you need depend on the claims you make, such as a marriage certificate, Form 35.1 or financial disclosure.
  • A court clerk issues the application, and you must write the court file number on every page of every copy.
  • The Superior Court does not schedule a first appearance for you, so the applicant must do it.

If you have decided to go to court over a separation, parenting, support or property, the Application is the document that begins the case. Getting it right the first time avoids delays at the clerk's counter.

This article explains which form to use, what to attach, how the court issues it, and what you need to do afterwards. Check the current forms and instructions with the court before you file.

Choose the right court first

If the orders you want include divorce or property issues, you must start your case in the Superior Court of Justice, including the Family Court branch. The Ontario Court of Justice does not hear divorce cases. The Family Court branch is the only Ontario court that can hear all types of family law cases, and it sits in 25 locations, including St. Catharines and Welland.

You usually start in the municipality where you or your spouse lives. If parenting time or decision-making is at issue, you can also start where the children live.

Form 8 or Form 8A?

SituationForm and filing
General application with one or more claimsForm 8, filed with a Continuing Record that has a table of contents
Divorce onlyForm 8A, the Continuing Record and the original marriage certificate

If you are asking for only a divorce and nothing else, Form 8A is the shorter route. If you are also asking for parenting orders, support or property division, you use the general Form 8.

Attachments that depend on your claims

What goes with your Form 8 depends on what you ask the court for.

Form 35.1 must be signed before a commissioner for taking affidavits. Commissioners at family court offices will commission documents free, and lawyers, paralegals and notaries can also commission.

Filing and getting the application issued

A court clerk issues the application by signing and dating the original, applying the court seal and giving a court file number. Write the file number in the top right corner of every page of every copy.

In the Superior Court, filing an application costs $214.00, and a divorce claim also requires a separate $10 fee. If cost is a concern, a fee waiver may be available if you meet the financial limits.

The Superior Court does not schedule a first appearance when the application is issued. The applicant is responsible for scheduling the first court appearance, usually a case conference. In St. Catharines, family scheduling covers short motions, long motions, family conferences, DRO conferences and trials, and the family scheduling line is 905-988-2834.

After issuing: serve the other side

An Application (Form 8 or 8A) must be served immediately on every other party. When serving, include the other forms, the respondent's Mandatory Information Program notice if received, and blank response forms such as Form 10 and the financial statement.

You cannot personally serve an Application. An adult friend or family member, or a professional process server, must do it. Our companion article on serving documents covers methods and proof of service.

What to do next

If you want advice on what to claim, or you have safety concerns, speak with a lawyer. Family Law Information Centres at courthouses give free information about court processes but do not give legal advice.

Frequently asked questions

What is the difference between Form 8 and Form 8A?

Form 8 is the general application. Form 8A is for a divorce-only application, and it is filed with the Continuing Record and the original marriage certificate.

Do I need to attach financial documents to my application?

Financial disclosure documents are attached if your case involves child support, spousal support or property. Which ones apply depends on your claims, so confirm with the court or a lawyer.

Will the court set my first hearing date?

Not automatically. The Superior Court does not schedule a first appearance when the application is issued, and the applicant is responsible for scheduling it, usually a case conference.

Can I serve the application on my spouse myself?

No. You cannot personally serve an Application. An adult friend or family member, or a professional process server, must serve it.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Ontario 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 licensed Ontario lawyer. Treadstone Law is licensed by the Law Society of Ontario — reach us at 1-844-900-1070 or start a file online.

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