Wallabies flanker David Pocock is a strong chance to captain Australia at the 2015 Rugby World Cup after re-signing with the ARU for a further three years.
Acting ARU chief executive Matt Carroll announced on Friday that Pocock had agreed to terms until the end of 2015 after earlier this season departing the Western Force to sign with Super Rugby rivals the ACT Brumbies.
The 24-year-old has won 45 Test caps for the Wallabies since making his debut against the All Blacks in 2008 and has twice been a nominee for the IRB international player of the year award.
The news comes two weeks after Wallabies teammate Quade Cooper re-signed following a tumultuous few months with ARU officials.
"David has made an enormous contribution to rugby as a player and an outstanding individual," said Carroll.
"His leadership combined with his form on the field is a huge asset for Australia and the Brumbies.
"We are very pleased to be able to have David available for the Wallabies not only for next year's Lions Tour, but the next Rugby Championship series and quite possibly the next Rugby World Cup in London in 2015."
The announcement comes after a mixed season for Pocock.
After being named to captain the Wallabies for the first time, Australia slumped to a stunning loss to Scotland in Newcastle.
He then led the Wallabies to a 3-0 home series win over Wales before injuring his knee against the All Blacks in August which required surgery.
Young flanker Michael Hooper blossomed in his absence and retained his spot ahead of Pocock for most of the recent spring tour of Europe.
Who was the better Springboks lock?