The federal Labor caucus will meet in Canberra on Friday to discuss the party leadership.
Kevin Rudd said on election night he would not be standing again for the position.
The caucus will meet at noon (AEST) on Friday where the leadership will be spilled.
While no one has publicly indicated they will run for Labor's top job, Anthony Albanese and Bill Shorten are believed to be considering their positions.
It's understood caucus will put in train the process for electing a new leader, but may not finalise the leadership on the day.
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Before the election, Mr Rudd convinced caucus to change the ALP rules so the parliamentary leader is chosen by a ballot weighted 50 per cent caucus members and 50 per cent grassroots members of the party.
If there are two nominations on Friday, the new ballot process will more than likely go ahead over several weeks.
But if there is only one nominee, he or she is expected to be endorsed on the day.
Other positions including the deputy, whips, caucus chairman, caucus secretary and deputy speakers are also likely to be determined on Friday if the leadership is settled.
Under the rule change, the caucus will elect the executive but the new leader will determine what portfolios they hold.
