Greece has officially requested the International Monetary Fund (IMF) for a new loan, as the country seeks a huge third bailout from its creditors.
Greek finance minister Euclid Tsakalotos wrote a letter to IMF managing director Christine Lagarde seeking a new loan facility.
Greece had initially planned not to ask the IMF for more funds, reports say.
Talks between Greece and its European creditors on a third bailout worth Euro 86 billion have been delayed owing to logistical problems.
The Washington-based IMF wants Greece's debt burden to be reduced to a level it considers "sustainable", but it faces resistance from reluctant European partners.
Greek Prime Minister Alexis Tsipras has so far survived a challenge from party MPs on the issue of the austerity measures that he has introduced to get the Greek economy back on track.
