Under the principle of "no obligation and no prohibition", financial transactions could be conducted in euros and francs, but physical payments could only be made in francs, as euro notes and coins were not available yet.
Berdasarkan asas "ketiadaan kewajiban dan ketiadaan pelarangan", transaksi dapat menggunakan mata uang euro dan franc, tetapi pembayaran fisik hanya dapat menggunakan mata uang franc karena euro masih belum beredar pada saat itu. ^ BBC