Newshub understands Sanzaar is determined to stage the tournament in New Zealand and Australia.
The 2020 tournament was held entirely in Australia.
The seeds for a four-team version of the men's competition have been planted, says Brendan Morris.
SANZAAR is already working through a number of contingency plans.
Reece Hodge missed a potential game-winning kick for the third time this season.
Argentina will face Australia in the Tri Nations 'decider' on Saturday.
Rookie Will Jordan scored two late tries to seal a big victory over Argentina.
New Zealand put their upset defeat two weeks ago behind them with a complete performance.
The All Blacks skipper was "a wee bit" surprised by the backlash.
The Pumas have extra motivation to beat the All Blacks again.
Coach Ian Foster has been recreating match-like scenarios to test his players in training.
New Zealand need a big win to erase memories of their history defeat to Argentina in Brisbane.
A more traditional attack could be on the cards for the All Blacks.
The result sees the All Blacks remain atop on points differential.
Michael Hooper says Australia have their eyes on the Tri Nations trophy.
The Wallabies coach has defended All Blacks captain Sam Cane after their shock loss to Argentina.
Former skipper Wayne 'Buck' Shelford backs Sam Cane's provocative assessment of his team's critics.
"They might like to think they know a lot about the game of rugby, but really they don’t."
Just three wins in seven tests have dropped New Zealand to No.3.
The former national coach says the players need to take a look at themselves.