s 107 Conditions of transit of postal packets.
(1) If a postal operator knows or reasonably suspects that a postal packet is being sent by post in contravention of section 85, he may— (a) refuse the transmission of the packet, (b) detain the packet and open it, (c) subject to any requirements as to additional postage or charges, return the packet to its sender or forward it to its destination, (d) destroy or otherwise dispose of the packet. (2) Subsection (1) is without prejudice to any other powers which the postal operator may have in relation to the packet (whether under the terms and conditions applicable to its transmission by post or otherwise). (3) The detention or disposal by a postal operator of any postal packet on the grounds of a contravention of section 85 or of any terms and conditions applicable to its transmission by post shall not exempt the sender from any proceedings which might have been taken if the packet had been delivered in due course of post.