(1) The Minister may, on the receipt of a recommendation from ECTEL—
(a) modify an individual licence where the Minister and the licensee agree in writing;
(b) modify a class licence following appropriate consultation with members of the relevant class;
(c) modify a frequency authorisation where the Minister and the licensee agree in writing;
(d) modify any licence or frequency authorisation without the agreement of the licensee if the Minister is of the view that the modification is necessary in the public interest of for reasons of national security.
(2) A licensee who seeks a modification of a licence shall apply in the same manner as he or she did for the initial licence.