The directors may make such rules and regulations as are in accordance with the Act, the Memorandum and these Articles and as they may deem expedient concerning the issuance and transferof certificates representing shares of the Company and may appoint transfer agents or registrars, or both, and may require all share certificates to bear the signature of either or both of the foregoing. Nothing-herein shall be construed to prohibit the Company from acting as its own transfer agent at any of its offices.