Sec. 3. Each member shall appoint and certify to the Secretary of the Corporation one "executive representative" who shall represent, vote, and act for the member in all the affairs of the Corporation, except that other executives of a member may also hold office in the Corporation, serve on the Board or committees appointed under [Article IX, Section 1] or otherwise take part in the affairs of the Corporation. A member may change its executive representative upon giving notice thereof via electronic process or such other process as the Corporation may prescribe to the Secretary, or may, when necessary, appoint, by notice via electronic process to the Secretary, a substitute for its executive representative. An executive representative of a member or a substitute shall be a member of senior management and registered principal of the member. Not later than January 1, 1999, each executive representative shall maintain an Internet electronic mail account for communication with the Corporation and shall update firm contact information via the FINRA Web Site or such other means as prescribed by the Corporation.