Bonita Mersiades, the corporate affairs head for Football Federation Australia when the bid race was run, said there were similarities with the allegations against a leading Qatari football official.
Britain's Sunday Times has alleged that Mohamed bin Hammam, a former FIFA vice president from Qatar, paid more than US$5 million to officials around the world before the 2010 vote that awarded the 2022 event to the tiny Gulf state.
Mersiades told the Australian Broadcasting Corporation that questions also needed to be asked about Australia's bid.
"Some of the evidence published in relation to Qatar was that some of the money was given to development projects -- we gave money for development projects, we gave US$4 million to the Oceania Football Confederation for sports development," she said.
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"That was via the government, in and of itself there was nothing wrong with sports development projects, but the question for Michael Garcia was, was there a vote attached to it," she added, referring to the man heading a FIFA probe into corruption.
FFA chief executive David Gallop on Monday told Australian radio that his organisation had been "heavily involved" in FIFA's corruption investigation and had provided documents and interviews to Garcia.
The top United States lawyer said yesterday his investigation would be completed by June 9.
In the original December 2010 contest to host the tournament, Qatar received 11 votes, South Korea four, the United States and Japan three each and Australia one in the first elimination round.