Commissioner of Oaths

The Council Services Department provides the services of a Commissioner of Oaths only on the specific documents listed below. The Commissioner of Oaths is a person who is appointed under the Commissioners of Affidavits Act to administer oaths and take affidavits, declarations and affirmations.

This can be done on the fifth floor of Windsor City Hall, 350 City Hall Square West, Suite 530. The cost for commissioning a document is $30.00 (effective May 1, 2024).

For additional information, or to book an appointment, please call 519-255-6100 ext. 6139.

Documents witnessed/signed by a Commissioner of Oaths include the following (fees may apply):

  • City of Windsorgenerated documents
  • Domestic and Foreign Pension documents (Proof of Life documents will specify which individuals are authorized to certify/confirm the document.)
  • Immunization exemptions
  • Statutory Declaration of Apprenticeship Hours
  • Canadian Citizenship forms
  • Delayed Statement of Live Birth
  • Legal Name Change forms
  • Affidavit of Lost Cheques
  • Statutory Declaration of a Lost/Stolen/Counterfeit Bank Card
  • Sworn Statement for the Transfer of a Used Motor Vehicle in the Province of Ontario
  • Statutory Declaration for Ontario Student Assistance Program (OSAP) – Statement of Common Law Status/Supporting Children
  • Travel Affidavit
  • Statutory Declaration of Theft of GST or Federal Cheques
  • Affidavit of Unregistered Vehicle (boats, motorcycles, snowmobiles, trailers etc.)
  • Affidavit of Proof of Residency
  • Affidavit for Lost/Stolen or Damaged Passport
  • Affidavit of Proof of Loss of Motor Vehicle/boat (from an insurance company)
  • Amendment to Birth/Death/Marriage Certificate forms
  • Statutory Declaration by a person for a change of sex designation
  • Passport in Lieu of Guarantor (specific federal government form only)
  • Statutory Declaration by contractor regarding holdbacks/security deposit
  • Statutory Declaration of Progress Payment Distribution – subcontractor
  • Registered Retirement Savings Plan (RRSP) withdrawal due to financial hardship
  • Travel Industry Council of Ontario – Affidavit of Customer Claimant
  • Delayed Statement of Birth
  • Amendment to Marriage Registration

A Commissioner of Oaths cannot witness/sign the following:

  • Certified True Copies
  • Wills, “Living Wills,” Codicils to Wills or Estate Settlement documents
  • Real Estate documents
  • Court, Legal, or Civil issue related documents
  • Power of Attorney
  • Divorce, Separation, Marriage or Cohabitation documents and/or agreements
  • Custody documents
  • Documents related to debt
  • Declaration of Claimant and Indemnity
  • Declaration for Replacement of Shares
  • Statutory Declaration of Progress Payment Distribution – Holdback Security Deposits
  • Tender documents
  • Declaration of a Translator
  • Bring Your Identification (BYID) Card Application (Age of Majority Card)
  • Ontario Mortgage Corporation documents
  • Affidavits required for Landlord and Tenant Board
  • Land Transfer documents
  • Mining Claim Forms/Transfers/Duplicate Prospector Licence Applications
  • Statutory Declaration of Lost Identification
  • Statutory Declaration for Travel/Residence Visa
  • Invitation letters

A Commissioner of Oaths can:

  • Administer an oath for the purpose of swearing or affirming that the contents of a document or form listed above are true

A Commissioner of Oaths cannot:

  • Verify signatures, marks and copies of documents
  • Certify and attest a true copy of a document
  • Witness or certify and attest the execution of a document
  • Give legal advice

Notary Public

A Notary Public is a person who is authorized under the Notaries Act to commission documents, to certify or notarize documents as true copies and to verify signatures. The City of Windsor does not offer notary services.

A Notary Public can:

  • Provide all the same services as a Commissioner of Oaths
  • Verify signatures, marks and copies of documents
  • Certify and attest a true copy of a document
  • Witness or certify and attest the execution of a document

A Notary Public cannot:

  • Give legal advice

Council Services Department
Suite 530 - 350 City Hall Square West
Windsor, Ontario
N9A 6S1

For detailed and general inquiries, contact 519-255-6100 ext. 6139.
Fax: 519-255-6868