Abstract: Method for managing a queue of data sent by a requesting data processing system (2) to a target data processing system (1), comprising, subsequent to the sending of the data capable of being added to the queue: a transmission by the target system (1) of said data and of a signal regarding placement on hold comprising an authorization criterion to be satisfied defined by the target system (1), the signal regarding placement on hold being able to control the execution of a method of placement on hold, an implementation of said method of placement on hold by the requesting system (2) from the receipt of the signal regarding placement on hold until the authorization criterion is satisfied, a processing by the target system (1) of the data sent by the requesting system (2) once the authorization criterion has been satisfied.