Where interception is authorised by the competent authority if Malta and the communicating address specified in the interception order is being used on the territory of another Member State from which no technical assistance is needed to carry out the interception, Malta is obliged to notify the competent authority of the Member State of interception: 
(a)  prior  to  the  interception  in  cases  where  the competent authority of the intercepting Member State knows at the time  of ordering  the interception that the subject  of the interception is or will be on the territory of the notified Member State;
(b)  during  the  interception  or  after  the  interception has been carried out, immediately after it becomes aware that the  subject  of  the  interception  is  or  has  been  during  the interception, on the territory of the notified Member State. 
Where Malta is the notified Member State it is obliged to notify the intercepting Member State within at least 96 hours, if the interception would not be authorised in a similar domestic case.