1. Upon receipt of an order to provide specific information about one or more specific individual recipients of the service, issued by the relevant national judicial or administrative authorities on the basis of the applicable Union law or national law in compliance with Union law, providers of intermediary services shall, without undue delay inform the authority issuing the order, or any other authority specified in the order, of its receipt and of the effect given to the order, specifying if and when effect was given to the order.