42 No. 3 Electronic and Postal Communications 2010 constitute a hazard to public health and safety such as(i) firearms or armaments of description; (ii) drug and other prohibited narcotic substances except those legally authorized or dispatched for medical or scientific purposes; (iii) live animals or plants except those allowed by international conventions ratified by United Republic; (iv) dead animals; (v) correspondence or postal items whose envelope, container or packaging contains words, image, drawing or other messages of an injurious, threatening or offensive nature; (vi) correspondence or postal items whose circulation in United Republic on export or imports is prohibited; or (vii) perishable foodstuffs. (3) Failure to comply with any of the provisions of this section shall entail retention of the offending correspondence or postal item by the postal licensee or its apprehension by the competent authority, in accordance with the rules and without prejudice to the applicable administrative and penal sanctions. (4) The sender shall be liable to the postal licensee for any damage caused by failure to comply with the portability requirements established in this Act, except in cases of error or negligence by the postal licensee involved in any of the activities inherent in postal services. (5) The Correspondence or postal items subject to legal or fiscal formalities shall be accepted only under total and exclusive liability on the sender’s part as to compliance with such requirements.