Table of contents

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  • printed and then filled out by hand

Information about the forms and guides

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Read the Introduction and General Information guide (PDF, 118 KB) to:

  • learn about the ISO
  • use the checkbox list to help you pick the right forms

Form A.1 – Support Application under the ISO Act

Use Form A.1 (PDF, 854 KB) for applications under the Interjurisdictional Support Orders (ISO) Act when there isn’t a support order in place.

This form:

  • lists other ISO forms you may need for your application
  • lists common documents to include
  • becomes part of your Support Application when all other forms and documents are attached
  • must be sworn or notarized

All ISO Act applications must include either Form A.1 or A.2.
Form A.1 must be sworn or notarized.

Form A.1 guide

Read the Form A.1 guide (PDF, 95 KB) for instructions, notes and tips.

Form A.2 – Support Variation Application under the ISO Act

Use Form A.2 (PDF, 783 KB) for applications under the Interjurisdictional Support Orders (ISO) Act to request a change to:

  • an existing support order
  • written support agreement

This form:

  • lists other ISO forms you may need for your application
  • lists common documents to include
  • becomes part of your Support Variation Application when all other forms and documents are attached
  • must be sworn or notarized

All ISO Act applications must include either Form A.1 or A.2.
Form A.2 must be sworn or notarized.

Form A.2 guide

Read the Form A.2 guide (PDF, 93 KB) for instructions, notes and tips.

Form A.3 – Interjurisdictional Support Application under the Divorce Act

Use Form A.3 (PDF, 849 KB) for interjurisdictional applications under the Divorce Act when there is not a support order in place.

This form:

  • lists other ISO forms you may need for your application
  • lists common documents to include
  • becomes part of your Support Application when all other forms and documents are attached
  • must be sworn or notarized

All interjurisdictional support applications under the Divorce Act must include either Form A.3 or A.4.
Form A.3 must be sworn or notarized.

Form A.3 guide

Read the Form A.3 guide (PDF, 87 KB) for instructions, notes and tips.

Form A.4 – Interjurisdictional Support Variation Application under the Divorce Act

Use Form A.4 (PDF, 847 KB) for interjurisdictional applications under the Divorce Act to request a change to:

  • an existing support order
  • written support agreement

This form:

  • lists other ISO forms you may need for your application
  • lists common documents to include
  • becomes part of your Support Variation Application when all other forms and documents are attached
  • must be sworn or notarized

All interjurisdictional support applications under the Divorce Act must include either Form A.3 or A.4.
Form A.4 must be sworn or notarized.

Form A.4 guide

Read the Form A.4 guide (PDF, 89 KB) guide for instructions, notes and tips.

Form B – Parentage

Include Form B (PDF, 769 KB) in your application package if you believe one or both of these things:

  • the Respondent may not agree that he or she is a parent of the child
  • the Respondent may not agree that he or she has a legal obligation to support the child

Do not include this form if:

  • you already have a child support order for the Respondent to pay support for the child named in your application
  • you already have a court order which says the Respondent is the parent of the child
  • you are making an interjurisdictional support application under the Divorce Act using Form A.3 or Form A.4

You need a separate Form B for each child.

Form B guide

Read the Form B guide (PDF, 99 KB) for instructions, notes and tips.

Form C – Child Support Claim

Use Form C (PDF, 728 KB) in your application package if you want a court order to:

  • establish child support
  • change child support

This form is for claiming child support from Respondents:

  • living in Canada
  • living outside Canada

A judge will not approve your application just because you ask for something. You must provide information and documents to support your claim.

Form C guide

Read the Form C guide (PDF, 73 KB) for instructions, notes and tips.

Form D – Request for Support Order – if Respondent does not provide financial information

Form D (PDF, 1.3 MB) tells the court 2 things:

  • how much money you think the Respondent makes per year
  • how much monthly support you want the Respondent to pay

It is very important to show the court your estimate is reasonable by giving:

  • facts
  • documents

The court will use your estimate to make an order if the Respondent:

  • does not go to court
  • goes to court but does not give the court any financial information

Do your research! The financial information you give the court may be the only information the judge uses to make the support order.

Form D guide

Read the Form D guide (PDF, 101 KB) for instructions, notes and tips.

Form E – Request for Child Support Different than Child Support Table Amount

Use Form E (PDF, 766 KB) in your application package if you:

  • are claiming a different amount for child support than the child support guidelines table
  • checked the box in Form C that says you are asking for a different amount

This form may be used when:

  • the child or children are under or over the age of majority
  • there is split or shared parenting or custody of the child or children
  • there is a claim of undue hardship
  • the Respondent is believed to make more than $150,000 per year

If you are the support payor, use Form G to request to pay a different amount of child support than the child support table.

Form E guide

Read the Form E guide (PDF, 103 KB) for instructions, notes and tips.

Form F – Special or Extraordinary Expense Claim

Use a Form F (PDF, 1.3 MB) in your application package:

  • to ask the court to order the Respondent to pay a share of a child’s special or extraordinary necessary expenses
  • for each child you are claiming special or extraordinary necessary expenses

If there is more than one child, attach a separate Form F for each child.

Special or extraordinary necessary expenses may be:

  • health related
  • education related

Attach receipts or other documents to prove each expense.

Form F guide

Read the Form F guide (PDF, 116 KB) for instructions, notes and tips.

Form G – Request to Pay Child Support Different than Child Support Table Amount

Use Form G (PDF, 700 KB) in your application package to ask the court to pay a different amount for child support than the child support guidelines table.

This form may be used when:

  • the child or children are over the age of majority
  • there is split or shared parenting or custody of the child or children
  • there is a claim of undue hardship
  • you make more than $150,000 per year

The rules in Form G and its guide may not apply if the parties live in another country.

Form G guide

Read the Form G guide (PDF, 103 KB) for instructions, notes and tips.

Form H – Support for a Claimant or Applicant

Use Form H (PDF, 1.2 MB) in your application if you are asking for support for yourself.

This form tells the court about your life. You will need to give details about your:

  • relationship with the Respondent
  • work history
  • financial history
  • basis for your support claim

This type of support claim is complicated. You may want to talk to a lawyer.

Form H guide

Read the Form H guide (PDF, 88 KB) for instructions, notes and tips.

Form I – Financial Information

The court needs the financial information you fill out in Form I (PDF, 1.4 MB) to make a decision.

Fill out Form I to give the court the information it needs.

Form I guide

Read the Form I guide (PDF, 79 KB) for instructions, notes and tips.

Form J – Child Status and Financial Statement

The age of majority is 18 or older, depending on the law where you live. If your application is about a child the age of majority or older, include Form J (PDF, 1.3 MB).

This form shows the court the child:

  • is the age of majority
  • depends on the parents for support

Fill out a separate Form J for each child the age of majority that needs support.

Form J guide

Read the Form J guide (PDF, 86 KB) for instructions, notes and tips.

Form K – Evidence to Support a Variation of a Support Order

Use Form K (PDF, 696 KB) when you’re applying to change a:

  • support order
  • registered written agreement

Laws are different in different places. Make sure you include the right information needed for the place where the court order is made.

Form K guide

Read the Form K guide (PDF, 76 KB) for instructions, notes and tips.

Form L – Respondent’s Response to Application

Use Form L (PDF, 704 KB) to respond to an application for an order for support. If you do not respond or attend the hearing, the court may:

  • rely on the information provided by the Claimant or Applicant
  • make an order that does not reflect your circumstances

Form L must be sworn or notarized.

Form L guide

Read the Form L guide (PDF, 95 KB) for instructions, notes and tips.

Affidavit

Use an affidavit (PDF, 869 KB) in your application to give the court more information or documents.

An affidavit must be sworn or notarized.

Additional Locate Information Form

The Additional Locate Information Form (PDF, 60 KB) helps authorities find a Respondent so a support order can be enforced.

This form is not included in the support application or given to the court.

Do not attach this form to the support application package.