The Wallabies will appeal Quade Cooper's two-match ban ahead of their Tri-Nations rugby union clash with New Zealand in Melbourne on Saturday night.

The Australians lodged an appeal on Monday, which is likely to be heard by phone hook-up in Sydney on Wednesday.

It will be heard by three judicial officers, one from each Tri-Nations country.

The Wallabies wouldn't reveal any details but it's believed they will appeal against the severity of Cooper's two-match ban, which was comparatively heavier than those handed out for similar offences by two South African players.

The five-eighth was rubbed out of the match against the All Blacks in Melbourne and the following week in Christchurch for a dangerous tackle on Morne Steyne during Australia's 30-13 win over the Springboks in Brisbane last Saturday.

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