A technique for administrating a subscription to an operator. This subscription allows access to a communication network for a security module associated with a user device. A contact address of a server configured to prepare subscription management data is obtained on the basis of an access profile for the network installed in the security module. The security module sends a request for execution of an act of administration in conjunction with this subscription. The request is addressed to the contact address of the server and comprises a datum allowing the server to forward the request to a control server. Once the act of administration has been executed, the user device receives a confirmation of execution of this act of administration originating from the control server.