3.9.The Licensees will use their best endeavours to monitor compliance by each Authorised User with the terms of this Agreement and immediately on becoming aware of any unauthorised use by an Authorised User or by an unauthorised user of the Publications or other breach of this Agreement take all reasonable steps both to ensure that such unauthorised activity ceases and to prevent any recurrence of it including where necessary by terminating that Authorised User's or unauthorised user’s access to the Publications.