Experts from the European Commission, European Central Bank and the International Monetary Fund spent Friday reviewing the Greek case for aid and proposals for economic reforms from Prime Minister Alexis Tsipras that will be conditions for any loans.

The positive evaluation, along with a conclusion that Athens currently needs some 74 billion euros to meet its obligations, will form a key part of discussions among euro zone Finance Ministers when they meet in Brussels at 3 pm (1300 GMT).

With Greek banks shut and subject to capital controls for the past week, failure to agree a new programme following five months of abortive negotiations had threatened effectively to force Greece out of the 19-state currency area, alarming EU leaders who have scheduled an emergency summit for Sunday.

One euro zone source, who has been sceptical of the leftist government's commitment to a new reform programme, said it was now '100 percent certain' the ministers would agree to launch negotiations. In the meantime, they will also consider short-term aid to tide Athens over until the three-year loan deal that Tsipras requested has been agreed and funds can be disbursed.

Euro zone officials also expect to discuss Greek requests for some of its outstanding debt, currently worth some 175 percent of its GDP, to be rescheduled, although the creditor governments insist they cannot legally write any off entirely.

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