Elections Ontario is not responsible for administering federal elections. For questions or information about the October 21 federal election, please contact Elections Canada.

Key Dates for Political Parties

This page lists deadlines and other important dates for political parties and is updated regularly.

May 31 of each year (or next business day if May 31 is a weekend or holiday):

Deadline to file Form P-2: Annual Statement of Fundamental Purpose of a Political Party.
Deadline to file Form AR-10: Political Party Annual Financial Statements.