SYDNEY, Oct 1 (Reuters) - Qatar Airways' plans to buy a

25% stake in Virgin Australia from U.S. private equity firm Bain

Capital would go through all required regulatory processes,

including the Foreign Investment and Review Board, Australia's

Treasurer Jim Chalmers said on Tuesday.

"It wouldn't be appropriate for me to pre-empt that process

or comment further," Chalmers said during a press briefing.

"We expect that components of the deal related to

international flights will also be subject to (the competition

regulator's) merger authorisation consideration."

Australia's Foreign Investment and Review Board must approve

the stake sale but the treasurer has the power to vary or impose

conditions even after board approval.