- drug of that description, he would not at the material time have been committing any offence to which this section applies.
(4) Nothing in this section shall prejudice any defence which it is open to a person charged with an offence to which this section applies to raise apart from this section.
Service of documents. 29.—(1) Any notice or other document required or authorised by any provision of this Act to be served on any person may be served on him either by delivering it to him or by leaving it at his proper address or by sending it by post.
(2) Any notice or other document so required or authorised to be served on a body corporate shall be duly served if it is served on the secretary or clerk of that body.
(3) For the purposes of this section, and of section 26 of the 1889 c. 63. Interpretation Act 1889 in its application to this section, the proper address of any person shall, in the case of the secretary or clerk of a body corporate, be that of the registered or principal office of that body, and in any other case shall be the last address of the person to be served which is known to the Secretary of State.
(4) Where any of the following documents, that is to say—
- (a) a notice under section 11(1) or section 15(6) of this Act; or
- (b) a copy of a direction given under section 12(2), section 13(1) or (2) or section 16(3) of this Act,
is served by sending it by registered post or by the recorded delivery service, service thereof shall be deemed to have been effected at the time when the letter containing it would be delivered in the ordinary course of post; and so much of section 26 of the Interpretation Act 1889 as relates to the time when service by post is deemed to have been effected shall not apply to such a document if it is served by so sending it.
Licences and authorities. 30. A licence or other authority issued by the Secretary of State for purposes of this Act or of regulations made under this Act may be, to any degree, general or specific, may be issued on such terms and subject to such conditions (including, in the case of a licence, the payment of a prescribed fee) as the Secretary of State thinks proper, and may be modified or revoked by him at any time.
