Irish rugby boss Philip Browne can find "no reason on earth" why Ireland could not host the 2023 Rugby World Cup.
Chief executive Browne is confident the Irish Rugby Football Union can follow New Zealand's lead, after the successful 2011 tournament staged there.
The IRFU has been working on a 2023 World Cup bid since 2011, and are now waiting on parliamentary backing.
Ireland's minister for transport, tourism and sport Leo Varadkar is a strong supporter of the IRFU cause.
The World Cup bid was due to be put before the Irish Government on Tuesday, and should shortly be put to the Northern Ireland Executive.
IRFU boss Browne said behind-the-scenes talks with both regimes have yielded progress.
"This sort of bid couldn't happen without committed support from the governments both north and south," he said.
"It obviously needs now to go to cabinet and Leo Varadkar has said he's bringing it to cabinet on Tuesday, and obviously it would need to go to cabinet in Northern Ireland as well."
Browne agreed that the project would be a big undertaking.
"But if it can be done in a country like New Zealand, which is a similar size in terms of population, there's no reason on earth why it can't be done here."
The 2023 Rugby World Cup bidding process will commence with the International Rugby Board in 2016.
Ireland are expected to face strong competition from France, South Africa and Italy, who have all already expressed interest in bidding for the tournament.
England will host the 2015 tournament, before Japan entertain the rugby world four years later.
Minister Varadkar has already projected an 800 million euro benefit to Ireland's economy from hosting the tournament.
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