The German requirement for a treaty between Germany and Finland was transformed into a letter from Risto Ryti to Adolf Hitler because of Ramsay's perseverance and the negotiations skills. Germany had finally obtained the Erklärung but only in a form which bound Ryti himself, not the country. Ramsay was sentenced to prison for 2.5 years (1946–1947) in the War-responsibility trials. He hardly appeared in public anymore following his release from prison.