IP/NII/NGA/T/2 Page 10 10. A document purporting to be signed for or on behalf of Signatures of a partnership shall contain the. names ofall the partners in full ~~cuments and shall be signed by all the partners or by any qualified partnerships. partner stating that he signs on behalf of the partnership, or by any other person who satisfies the Registrar that he is authorised to sign the document. 11. A document purporting to be signed for or on behalf of a body corporate shall be signed by a director or by the secretary or other principal officer of the body corporate, or by 'any other person who satisfies the Registrar that he is authorised to sign the document. Signature of documents by companies. 12. A document purporting to be signed for or on behalf of an association of persons may be signed by any person who appears to the Registrar to be duly qualified. Signature of documents by associations. 13. (I) All applications, notices, statements, papers having representations affixed or other documents, authorised or required by the Act or these Regulations to be made, left with, or sent to the registrar or any other person may be sent through the post by a prepaid letter; and any application or any document so sent shall be deemed to have been made, left or sent at the time when the letter containing the same would be delivered in the ordinary course of post; and in proving such sending, it shall be sufficient to prove that the letter was properly addressed and put in the post. Service of documents. Address Address. 14. (I) Where any person is by the Act or these Regulations bound to furnish the Registrar with an address, the address given shall in all cases beas full as possible, for the purpose of enabling any person easily to find the place of trade or business of the person whose address is given. (2) The Registrar may require the address to include the name of the street, and the number in the street or name of the premises, if any. Address for service. 15. (1) The Registrar may require an applicant, opponent or agent, or a registered proprietor or registered user of a trade mark,' who does not reside or carryon business in Nigeria to give an address for service in Nigeria and such address may be treated as the actual address of that person for all purposes connected with the matter in question. (2) Any registered proprietor or registered user of a trade mark or any person about to be registered as such, may, if he so desires, give upon Form 33 an address for service for entry in the register, and such address may be entered by the Registrar.