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Regulation Tracker / Canada

Ontario Rules of Civil Procedure Rule 4.06.1(2.1) and (2.2): Certification of authenticity of authorities (O. Reg. 384/24)

Ontario Civil Rules Committee · Ontario

last revised 2024-12-01last verified 2026-09-031 versioncountry page →

Court ruleIn forceCertificationVerification duty

map categories:Disclosure of AI use in filingsDuty to verify AI output

Unverified: we have not yet opened the official document at the linked address. The record is listed for completeness and excluded from search indexes until confirmed.

An amendment to Ontario's Rules of Civil Procedure, in force 1 December 2024, requiring every factum to include a certification that the person signing it is satisfied as to the authenticity of every authority cited. Authorities drawn from CanLII or official court websites are presumed authentic. The rule targets fabricated citations without naming AI.

Applies to
lawyers, litigants
Effective
01 Dec 2024
Current version
O. Reg. 384/24 · 01 Dec 2024
Last verified
03 Sept 2026
Official text
www.ontario.ca/laws/regulation/r24384

What the document requires

  • Every factum must certify that the signer is satisfied of the authenticity of each cited authority.
  • Authorities from CanLII, official court sites or recognised reporters are presumed authentic.
  • Applies to lawyers and self-represented parties filing facta in Ontario civil courts.

Version history

VersionDateWhat changedSource
O. Reg. 384/24current2024-12-01First version recorded.official

Related court incidents on the record

Read our analysis: Canada's law-society AI guidance: BC, Ontario, Alberta, and the CBA →

Sources

Cite this record

SafeLegalAI Legal AI Regulation Tracker, "Ontario Rules of Civil Procedure Rule 4.06.1(2.1) and (2.2): Certification of authenticity of authorities (O. Reg. 384/24)" (Ontario Civil Rules Committee, O. Reg. 384/24, 2024-12-01), safelegalai.com/regulation/canada/ontario-rules-civil-procedure-factum-authenticity-certification (accessed 2026-09-04). Data: CC BY 4.0.

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