Commissioner of Oaths


The City of Guelph’s Commissioner of Oaths can take affidavits or declarations by witnessing you swear or affirm that the information in document is true. If your document requires the signature of a Notary Public, then you will need to contact a lawyer or a Notary.

For more information about commissioner of oath and notary public services, visit the Province of Ontario’s website.

Before you begin

The following applies to the City’s commissioner of oaths services:

  • Each person making a declaration must:
    • Be present at the commissioning appointment
    • Show current, government-issued photo identification.
  • Documents must only be signed in front of the Commissioner. They must be unsigned when brought to the appointment.
  • The Commissioner will only sign a document in another language if they are able to translate it.
  • The Commissioner has the sole discretion as to whether they commission a document.


  • Up to two documents is $39.55 (includes HST). A higher fee may apply if there are additional documents.
  • Foreign pension document is $16.95 (includes HST).

Book an appointment

Appointments are available on Tuesdays, Wednesdays, and Thursdays at City Hall, 1 Carden Street, Guelph.

Book an appointment

Need help?

If you have questions about commissioner of oaths services, please contact us.

519-822-1260 extension 2117
[email protected]