Francois Baroin and his German counterpart Wolfgang Schaeuble met in Paris on August 23 with a view to tabling a joint proposal to their European Union partners in September.
European banks have poured scorn on the idea of a financial transaction tax, a long-standing French proposal, saying it would not stabilize markets.
"We are working on a proposal that we will present to the European Union in September, which will be studied in the autumn," Baroin said in an interview with newspaper Le Journal du Dimanche. "We are determined to get results at the G20 on November 3-4 in Cannes."
European Central Bank President Jean-Claude Trichet has said in the past that such a tax would not work unless it is applied globally and Britain, home to the region's biggest financial center, is also opposed to the EU going it alone.
Baroin said no definitive position on the details of the proposal had been set.More...