A third party advertisement is any ad that supports, promotes or opposes a candidate or a "yes" or "no" answer to a ballot question. A third party is a person or entity who is not a candidate. Your advertising must be done independently from any candidate's campaign. If you plan to spend money on advertisements during the election, you must register with the City Clerk and file a financial statement.

Eligibility 

You are eligible to register as a third party advertiser if you are:

• An individual who normally lives in Ontario
• A corporation that carries on business in Ontario
• A trade union that holds bargaining rights for employees in Ontario

You are not permitted to register if you are:

• A candidate whose nomination has been filed with the City Clerk
• A federal political party registered under the Canada Elections Act, or any federal constituency association or registered candidate endorsed by that party
• A provincial political party, constituency association, registered candidate or leadership contestant registered under the Election Finances Act
• The Crown in right of Canada or Ontario, a municipality or a local board

Register as a third party advertiser

You must file a Notice of Registration - Third Party form with the City Clerk between Nomination Day on May 1, 2026 and ending on October 24, 2026. The form must include a signed declaration of qualification. If an agent is registering on your behalf, you must provide a letter at the time of registration authorizing them to do so. This letter must be signed by you and commissioned or notarized.

Book an appointment

Please book an appointment to submit your registration. You can email the Office of the City Clerk or call 613-930-2787 ext. 2026 to schedule an appointment. 

You must file your completed form in person at the Office of the City Clerk, Cornwall City Hall, 360 Pitt St, during our regular business hours: Monday to Friday, 8:30 a.m. to 4:30 p.m.