Gita Gopinath told "El Pais" there was "clearly a need to solve problems with the global trading system [in a] cooperative way."
"As a reference, this is approximately the size of Switzerland's entire economy," IMF managing director Kristalina Georgieva explained.
"U.S. sanctions against Iran will both weigh on Iran's oil production prospects in the medium term and reduce Iran's crude exports in the short term...," the report predicts.
Despite the ruling, the judges did not hand down any sentence.
The reforms are necessary to secure further bailout funds from Greece's creditors.
Zambia's kwacha has gone from the world's third-worst to its best-performing currency.
The approval is a win for Beijing's campaign for recognition as a global economic power.
The International Monetary Fund, the European Central Bank and the European Commission troika has its first colony: Greece.
"Everyone is hopeless in Greece."
The government did not have sufficient funds to make the payment on Monday, sources said.
Varoufakis had campaigned for Sunday's sweeping 'No' vote, accusing Greece' creditors of "terrorism".
The protests laid bare the deep divide heading into a referendum that may decide the country's future in Europe's single currency.
Greece needs an extra 50 billion euros over the next three years and significant debt relief to stay afloat, its creditors warned Thursday.
Less than 24 hours after he wrote a conciliatory letter to creditors asking for a new bailout, Tsipras abruptly switched back into combative mode.
Greece owes official lenders 242.8 billion euros ($271 billion).
The missed payment would bring Greece closer to a Euro exit if it prompted the European Central Bank to cut off emergency funding.
A reform proposal from Greek Prime Minister Alexis Tsipras was rejected by Eurozone officials
Finance minister pledges to "reform Greece deeply" as deadline for €450 million loan repayment to IMF approaches.
Athens is rushing to get the list ready before state coffers run empty, expected in a few weeks without more aid.
Organisers Blockupy estimated that about 10,000 demonstrators from across Europe were at the rally.