The first victims of the tight monetary plan are expected to be Mexico's weaker banks.
The five weak banks hold only 7.2 percent of all the bad debts in the banking system.
The banking system in this country is fundamentally sound with some weak banks.
This would be the clearest break from the current system in which all banks, strong and weak, are pulled along together by the Government.
He said Japan needed a bigger bailout in which the weak banks would go out of business once and for all.
And if weaker banks went under, the Government would have to prop up the banking system.
For the first time, weaker banks will be charged more than stronger ones.
It has been propping up weak banks rather than forcing them to close.
In the best of times, the difference between healthy and weak banks is small.
If a weak bank was closed more quickly, people might not have time to do this.