4.A competent PRS authority shall ensure that the use of the PRS is in compliance with Article 8 and point 1 of the Annex and that:
(a)PRS users are grouped for the management of the PRS with the GSMC;
(b)the PRS access rights for each group or user are determined and managed;
(c)the PRS keys and other related classified information are obtained from the GSMC;
(d)the PRS keys and other related classified information are distributed to the users;
(e)the security of the receivers and associated classified technology and information are managed and the risks assessed;
(f)a point of contact is established for assisting as necessary in the reporting of detected potentially harmful electromagnetic interference affecting the PRS.