Third Party Advertising

Third party advertiser registration is open from May 1 to October 23, 2026. Individuals, corporations, or trade unions who intend to spend money promoting or opposing a candidate must register with the City Clerk.

Become a Third Party Advertiser

Learn about the rules for third party advertising and how to register as a third party advertiser.

Third Party Advertiser: Manage a Campaign

Find information about third party advertising campaign management.

Third Party Advertiser: Financial Filings

Find information about the financial filing requirements for third party advertisers after the election.

Third Party Advertiser: Resources

Find guides, forms and presentations for third party advertisers.

2026 Municipal Election List of Candidates & Third Party Advertisers

Review the list of candidates and third party advertisers for the 2026 Toronto municipal election.

Election Rules

Find bylaws, municipal code, legislation, policies and procedures that shape the municipal elections.

Key Dates

If you are a voter, candidate or third party advertiser, the following are important key dates related to the October 26, 2026 Toronto municipal election.

You Asked Us

Responses to requests for information from candidates and third party advertisers about City services and programs.