The N.I.E.T. charter shall be subject to amendment by submitting a printed ballot mailed to the membership of AFA after discussion and passage of the recommendation by those present and voting at the annual AFA meeting. A summary of the pro and con arguments from the discussion shall accompany the proposal. The ballots shall carry instructions that include a return deadline date no earlier than thirty days from date of mailing. Changes in the charter will be accepted if ratified by a majority vote of the members voting. Changes in the charter shall not apply to the N.I.E.T. immediately following the annual meeting at which changes are voted upon.