A BARRY O'FARRELL government will oppose any interference from Canberra that would cut state revenue from poker machines.

The move threatens the support of the Gillard government by Tasmanian independent Andrew Wilkie, who struck a deal during the hung parliament that the government would rein in the gaming industry and problem gambling.

Mr Wilkie has said repeatedly he would withdraw his support if the government failed to pass his legislation, which requires the co-operation of the states. They have been asked to sign up to the plan by May.

Mr O'Farrell's gaming spokesman, George Souris, said: ''The NSW Coalition does not offer the rag-tag federal government carte blanche approval with an independent in Tasmania … without any consultation.''

Despite Treasury advice that the proposal would considerably ''reduce state and territory gambling-tax revenue'', the government is pushing ahead with its plans.

The government wants a mandatory pre-commitment scheme in place by 2014 which will require gamblers to carry cards that allow them to set betting limits and see daily withdrawal limits of $250 placed on ATMs near gaming machines.

Clubs Australia boss Peter Newell said clubs and hotels were under threat: ''Millions of registered club members and hotel patrons are being held to ransom by the sanctimonious crusade of a lone federal MP.''