She said it was important that the institutions helping Greece — the International Monetary Fund, the European Central Bank and the EU Commission — make their own assessment.

Her comments Tuesday come a day after Standard & Poor’s said the current French proposal to have banks rollover their Greek debt holdings “would likely amount to a default.” If the leading rating agencies were to consider Greece as a so-called “selective default,” the move could trigger insurance claims on Greek bonds and cause another bout of turmoil in the financial markets.