[3][4] Under the provisions of the party's constitution, the Board was required to set a date for a leadership vote to be held within five months thereafter.

[7] On June 13, 2012, the Board decided to call the leadership vote for April 2013 with a specific date to be confirmed during the summer.

[8] The Board subsequently established April 14, 2013, as the date the leadership election winner is to be announced and November 14, 2012, as the official start of the race.

[1] In the case of a vacancy in the leadership, the Board is required to meet to appoint an interim leader "in consultation" with the parliamentary caucus, i.e., its 34 MPs and 46 senators.

This was taken as intended to exclude Bob Rae a potential leadership candidate who had significant support among Liberal senators and had talked about a merger shortly after the general election loss, as well as Deputy Leader Ralph Goodale, who is not bilingual, and any other MP who may intend to run in the leadership campaign.

[11][12][13] Rumoured candidates who did not run for interim leader included Goodale, Carolyn Bennett, Scott Brison, and John McCallum.

[14] In June 2012, the Board was expected to release Rae from his promise and allow him to run for the party leadership provided he stepped down as interim leader when Parliament rose for the summer.

Deborah Coyne, 58, was a Toronto lawyer, professor, author and Liberal candidate for Toronto—Danforth in the 2006 federal election.

[45] Joyce Murray, 58, has been the Liberal MP for Vancouver Quadra since 2008 and served as Opposition Critic for Small Business and Tourism, Asia — Pacific Gateway and Western Economic Diversification (2011–present).

BC Minister of Management Services (2004–2005)[46] Justin Trudeau, 41, has been MP for Papineau since 2008 and was Liberal Post Secondary Education, Youth and Amateur Sport Critic (2011–2015).

[65][66] Candidates who filed nomination papers and paid the required installments of their registration fee,[30] but withdrew from the ballot.

In 2012, he established an exploratory committee to assess his leadership prospects, and announced his candidacy on November 7,[109][110] before ending his campaign on March 21, 2013, without endorsing another candidate.

[124][125][126] Justin Trudeau won the 2013 Liberal leadership in a landslide first-ballot victory and led the third-place party into a majority government in the 2015 federal election.