Original: The Association pour la taxation des transactions financières pour l'aide aux citoyens (Association for the Taxation of Financial Transactions for the Aid of Citizens, ATTAC) is an activist organization for the establishment of a tax on foreign exchange transactions.
Simplified: The Association pour la Taxation des Transactions pour l'Aide aux Citoyens (Association for the Taxation of Financial Transactions for the Aid of Citizens, ATTAC) is an organization that promotes a tax on foreign exchange transactions, the so-called Tobin tax.