The company said it will end work on major South Pars 11 gas field project it began in July 2017 unless it is exempted.
The French government has reacted angrily to US President Donald Trump's decision, after withdrawing from the 2015 nuclear accord with Iran, to re-impose sanctions on companies that do business with Tehran and which include Airbus, French carmakers Renault and PSA, and oil giant Total.
French foreign minister Jean-Yves Le Drian, speaking in Qatar, where he met with his counterpart Sheikh Mohammed bin Abdulrahman al-Thani, called on Saturday for the lifting 'as soon as possible' of the sanctions against Qatari nationals imposed by Saudi Arabia, the United Arab Emirates, Bahrain and Egypt which affect 'bi-national families that have been separated or students'.
Foreign minister Jean-Marc Ayrault called on the United Nations Security Council to vote a resolution that places those who commit chemical attacks in Syria under sanctions, adding that the Syrian army and the Islamic State group had used chemical weapons agaisnt civilians 'on at least three occasions'.
Diplomatic sources said Paris and London have also raised the prospect of sanctions on 12 Russians involved in the Syrian conflict, adding them to the EU's list of some 200 people that also includes three Iranians, with similar sanctions against Syrian individuals.
The non-binding vote supports ending the EU sanctions slapped on Russia after it annexed Crimea and after tension escalated over Ukraine.
French economy minister Emmanuel Macron made statement to French business executives during a visit to Moscow.
France says it and UN 'partners' want to freeze assets and ban travel of parties hindering peace transition in strife-torn Central African Republic.
The French president said recent 'progress' in the ceasefire in the Ukraine left few obstacles to lifting EU and US sanctions against Moscow.
France says conditions are 'not right' for delivery of first of two Mistral navy assault ships, blaming Moscow's recent actions in Ukraine.
Speaking before a meeting of EU heads of state, President François Hollande said 'decisions must be made' to halt escalation in Ukraine crisis.
Initial reaction is muted in Paris as the $8.9 billion and other US penalties against France's largest bank are slightly less tough than forecast.
American Justice Department expected to announce a record fine of nearly $9 billion over alleged sanctions violations by France's biggest bank.
Foreign minister Laurent Fabius warns measures against Russia could kick in soon if Moscow does not respond to Western proposals to solve crisis.