COVID-19 Service Interruptions: Due to COVID-19, this service is not currently available  in-person until further notice. 

The Commissioner of Oaths is able to administer oaths and witness signatures for certain affidavits and documents.  Milton’s Legislative and Legal Services Division provides the services of a Commissioner of Oaths (also known as a Commissioner for Taking Affidavits).   

Hours of operation

This service is available at Town Hall located at 150 Mary St. by appointment only by calling 905 878-7252 x. 2300. 


Review our fees for commissioning affidavits and documents:

  • $32.77 for 1-5 pages
  • $54.24 for 6-10 pages
  • $76.84 for 11-20 pages
  • $91.53 for 21 pages or more

Signing requirements

You must provide government issued photo identification with a signature, such as a driver’s licence or passport to sign an affidavit in the presence of the Commissioner of Oaths.

If your document requires the signature of a notary, or you require certified copies of documents, then you will need to contact a lawyer or a notary.