Form 15b 2026

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The document is a legal form (Form 15B) used in Ontario for responding to a motion to change an existing court order or support agreement. It includes sections for identifying the parties involved, providing general information, and detailing agreements or disagreements with the claims made in the motion. The form also addresses custody, access arrangements for children, child support modifications, spousal support changes, and requires financial disclosures from both the support payor and recipient.

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Click ‘Get Form’ to open Form 15B in our editor.
Begin by entering the Court File Number and the name of the court at the top of the form.
Fill in your full legal name and address for service, including municipality, postal code, and contact information in the Applicant(s) section.
Complete the Respondent(s) section with their full legal name and address for service.
In Part 1 – General Information, indicate your status (applicant or respondent) and provide any relevant details regarding assignments related to support payments.
Review paragraphs from Form 15A that you agree or disagree with, providing details as necessary.
If applicable, complete sections on custody/access and child support changes by detailing your requests clearly.
Finally, ensure all required signatures are included before submitting your completed form.

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