August 5, 2003
>> Deadline for registration of voters in the Autonomous Region for Muslim Mindanao (Armm)

October 31, 2003
>> Deadline for registration of voters in Iligan City, Cotabato City, Zamboanga City and NCR

November 2, 2003
>> Validation of old voters and the registration of new voters will resume.

November 3, 2003
>> Posting of the names of registrants.

November 9, 2003
>> Deadline for registration of new voters

November 10, 2003
>> Filing of registration protests.

November 17, 2003
>> Hearing of all registration protests.

November 30, 2003
>> Last day of filing protests.

December 8, 2003
>> Hearing for protests.

December 12, 2003
>> Last day of validation of old voters

December 15, 2003 to January 5, 2004 (extended from January 2)
>> Filing of certificates of candidacies for national and local positions

January 2, 2004
>> Last day to file manifestation to participate in the partylist election

January 10, 2004
>> Deadline for filing of petitions for inclusion of qualified voters in the list with the proper Municipal or Metropolitan Trial Courts for those whose applications for registration have been disapproved or whose names have been stricken out from the list by the Election Registration Board.

January 15, 2004
>> Last day for substitution of candidates for all positions and deadline for filing of petitions for exclusion of non-qualified registrants.

January 31, 2004
>> Last day to constitute the Special Ballot Reception and Custody Group.

February 10, 2004
>> Start of campaign period for President, Vice President and Senators and political parties, organizations or coalitions participating under the party list system both in the Philippines and abroad.

>> Posting of certified list of voters.

March 1, 2004
>> Last day for appointment of members of the Special Board of Election Inspectors for overseas absentee voting.

March 16, 2004
>> Last day for appointment of members of the Boards of Election Inspectors subject to changes on account of lack of public school teachers and disqualifications due to relationships to candidates.

March 25, 2004
>> Campaign period for members of the House of Representatives and elective provincial, city and municipal officials.

March 26, 2004
>> Last day to submit nominees in the Party List.

April 10, 2004
>> Last day to furnish every registered voter with a Voter's Information Sheet which contains voters name, address, precinct, place where he is registered and simplified instructions as to casting of votes, an official sample ballot, and list of all registered national, provincial and city candidates to be voted in the election.

May 8, 2004
>> Last day of campaigning for all positions.

May 10, 2004
>> RACE DAY

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OVERSEAS ABSENTEE VOTING TIMELINE
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September 30, 2003
>> Deadline for registration of Overseas Absentee Voters and last day to file petition for registration of parties/sectoral groups.

March 12, 2004 to May 10, 2004
>> Casting of votes for overseas seafarers who are registered voters.

April 11, 2004 to May 10, 2004
>> Casting of votes for overseas land based registered voters.