To start the Divorce Act ISO process, you must complete one of the following:
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a support application, if you’ve not had a support order before (Form A.3);
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a support variation application, if you are asking to change a support order (Form A.4).
Along with the application document - Form A.3 or Form A.4 - there will be other forms to file, based on your situation.
If the other person lives in Quebec, the other forms are found here: Reciprocal enforcement of a support order following a Canadian divorce | Gouvernement du Québec
If the other person lives in a province or territory in Canada (other than Quebec) along with the links on this website to ISO forms, you can get ISO forms by requesting them from a family law lawyer, or by visiting your local family law court. Apart from Form A, the same forms are used for Divorce Act ISO and NS ISO.
The checklists below can help you determine which forms to file. There is a Guide for each form that will help you to complete it.
Checklists
If you are applying for a NEW support order (i.e. you do you already have a support order), click here.
If you are applying to change an existing order and you PAY support, click here.
If you are applying to change an existing order and you RECEIVE support, click here.