[13th March] Supplement to Official Gazette (3) A public officer authorised under subsection (1) shall, if so requested, produce his authority to exercise his powers under this section. 15. Where the national interest so requires, the Minister or any public officer authorised in writing by the Minister in that behalf, may order in writing that any message or any class of messages '" 'ght for transmission by telecommunication shall not be trans'"litted by any telecommunication service. Non-transmission of messages, in the nationill •.' interest ." 16. Where any matter (including an advertisement) intended for broadcasting is, in the opinion of the Minister, of an objectionable nature, the Minister may by order in writing prohibitthe broadcasting of the matter unless suitably amended in the manner specified by the Minister in the order, 'so as to remove the objectionable nature of the matter. Matters of objec\iona[1J~ nature . Breach of copyright and agreements 17. A licensee shall not transmit by broadcasting(i) (ii) r,-" any work or part ofa work in which copyright subsists except with the written consent ofthe owner of the copyright; any news or information of any kind published ill a newspaper or obtained, collected, collated or co-ordinated by a newspaper, association of newspapers, news agency or news service, except in accordance withanagteem~ht'between the Iicensee and the newspaper,association''W newspapers, news agency or news servIce. 18. (1) A licensee or any person authorised byhim in writing may, for the purposes of establ ishing a broadcasting service or telecommunication service, as the case may be - (i) fI"' enter upon any property at any reasonable time for the purposes of such service including any preliminary survey in relation to such service; Licensee's' power of elllr) etc.