Are key debt instruments issued by the French Government. They are issued in both fixed and floating rate securities and have maturities ranging from 4 to 30 years. The three basic maturities for the fixed rate bonds are 10, 15, and 30 years. The two basic maturities for the floating rate securities are 4 and 12 years. The 4 year floating security or TRB (Taux Revisable des Bons de Tresor) are indexed on the three month treasury bill. The 12 year TME (Taux Moyen des Emprunts d'Etat) floater is based on an average rate of OATs. Are key debt instruments issued by the French Government. They are issued in both fixed and floating rate securities and have maturities ranging from 4 to 30 years. The three basic maturities for the fixed rate bonds are 10, 15, and 30 years. The two basic maturities for the floating rate securities are 4 and 12 years. The 4 year floating security or TRB (Taux Revisable des Bons de Tresor) are indexed on the three month treasury bill. The 12 year TME (Taux Moyen des Emprunts d'Etat) floater is based on an average rate of OATs.