4Restriction on revocation or variation of licences
1
The Secretary of State may include in any wireless telegraphy licence terms restricting the exercise by him of his power under section 1(4) of the Wireless Telegraphy Act 1949 to revoke or vary the licence.
2
The terms that may be included in a wireless telegraphy licence by virtue of subsection (1) include, in particular, terms providing that the licence may not be revoked or varied except with the consent of the licence holder or in such other circumstances and on such grounds as may be specified in the licence.
3
Any such circumstances or grounds may relate to matters relevant for the purposes of any other enactment (and may, in particular, be dependent on the exercise of a statutory discretion under any other enactment).
4
A wireless telegraphy licence containing any terms included in the licence by virtue of subsection (1) may also provide that regulations made under section 3 of the Wireless Telegraphy Act 1949—
a
shall not apply in relation to any station or apparatus to which the licence relates, or
b
shall apply in relation to any such station or apparatus to such an extent only, or subject to such modifications, as may be specified in the licence.
5
Notwithstanding any terms or provisions included in a wireless telegraphy licence in accordance with this section, the Secretary of State may at any time by a notice in writing served on the holder of the licence, revoke the licence or vary its terms, provisions or limitations, if it appears to him to be requisite or expedient to do so—
a
in the interests of national security, or
b
for the purposes of complying with a Community obligation of the United Kingdom or with any international agreement or arrangements to which the United Kingdom is a party.