Napoleon intervened in 1803 with the Act of Mediation which substituted a new Swiss Confederation for the Helvetic Republic, producing even closer ties with France. Neuchâtel, however, was not part of the Swiss Confederation at this time and was under the nominal control of the king of Prussia.
Napoleon intervened sa 1803 sa Batas ng Pamamagitan na substituted ng isang bagong Swiss kompederasyon para sa Helbetiko Republic, paggawa kahit malapit ties sa France. Neuchatel, gayunpaman, ay hindi bahagi ng Swiss kompederasyon sa oras na ito at noon ay sa ilalim ng control ng nominal na ang hari ng Prussia.