The subject innovation relates to a method for changing from the active subscription data of a first service provider to the active subscription data of a second service provider in an identification module for use in a mobile radio device that can be connected to a mobile radio network. The change is initiated in the identification module in response to a receipt of a first message from the second service provider, and, after the initiation of the change, the identification module controls the activation of the subscription data of the second service provider based on a receipt of a message from the first service provider confirming the change. The subject innovation also relates to an identification module that is suitable for carrying out the method.