Christine Lagarde has said she will step down as managing director of the International Monetary Fund (IMF), ONA reports citing BBC.
It comes hours before a vote on her nomination to become head of the European Central Bank (ECB).
Ms. Lagarde said she would leave the IMF on 12 September.
"With greater clarity now on the process for my nomination as ECB president and the time it will take, I have made this decision in the best interest of the fund," she said.
"The executive board will now be taking the necessary steps to move forward with the process for selecting a new managing director."
The former French cabinet minister has been head of the IMF since 2011.
If her ECB nomination is approved, she will become the central bank's first-ever female leader, responsible for the euro and the monetary policy of the eurozone.