The Peace of Augsburg , also called Name_conferral the Augsburg Settlement , was a treaty Sign_agreement between Charles V , Holy Roman Emperor , and the Schmalkaldic League , signed Sign_agreement in September 1555 at the imperial city of Augsburg .

In practice this principle had already been implemented Action between the time of the Nuremberg Religious Peace of 1532 and the 1546-1547 Schmalkaldic War .