"We are now waiting for results of the IMF and EU inspectors. This should be the basis for a clear assessment whether Greece's position is sustainable, or whether bankruptcy and a write-off of part of the debt are inevitable and whether it will be needed to prepare a new stabilisation programme," Miklos told Czech daily Lidove Noviny in an interview.

The report from the International Monetary Fund, the European Central Bank and the European Commission -- the "Troika" of lenders -- could be ready in 2 to 3 weeks.

It will focus on the country's progress towards set fiscal targets and will play a crucial part in any re-examination of private sector involvement in the second bailout package for Greeks.

"In case we draw a conclusion that the situation in Athens is not sustainable, we must say how are we prepared for a coordinated bankruptcy and how will we prevent further contagion," Miklos said.

Miklos, a fiscal hawk, said common euro bonds would be a bad solution for the single currency area and member states should rather push for strict rules, even allowing for curbs on a country's sovereignty if necessary.