The Bric (Brazil, Russia, India, China) countries favoured a procedure used in 2009 when individual governments pledged to buy special bonds issued by the IMF, a person familiar with the Brazilian view said.

The IMF declined to comment.

The size of the funding plan is also still under discussion, but any lending facility for the eurozone crisis will need to run into hundreds of billions of dollars. Such a move would be likely to give the IMF a stronger say in shaping eurozone rescue plans.