4. The following actions in relation to restricted cordless telephone apparatus are hereby restricted for the purposes of section 7 of the 1967 Act—
(a)manufacture (whether or not for sale);
(b)selling or offering for sale, letting on hire or offering to let on hire, or indicating (whether by display of the apparatus or by any form of advertisement) one’s willingness to sell or let on hire;
(c)having in one’s custody or control; and
(d)importation.