950 C.M.R. 104.09
(1) The amendments provided below may be authorized at a meeting duly called for the purpose by a majority of each class of stock outstanding and entitled to vote thereon unless such change would impair or diminish the preferences, voting powers, restrictions (including restrictions on transfer), qualifications special or relative rights or privileges of any outstanding shares.
(2) Any other amendment to the Articles of Organization, which change could have been included in the original articles, or which change impairs or diminishes the preferences, voting powers, restrictions (including restrictions on transfer), qualifications, special or relative rights or privileges of any outstanding shares may be authorized at a meeting duly called for the purpose by a vote of two-thirds of each class of stock outstanding and entitled to vote thereon, or if the Articles of Organization so provide, by a lesser portion but not less than a majority of each class of stock outstanding and entitled to vote thereon. If any such amendment would adversely affect the rights of any class of stock, the vote in the proportion provided for in or pursuant to 950 CMR 104.09 of such class, voting separately shall also be necessary to authorize such amendment. Any series of a class which is adversely affected in a manner different from any other series of the same class shall together with any other series of the same class adversely affected in the same manner be treated as a separate class. Unless otherwise provided in the articles of organization, the rights of a stockholder shall be considered adversely affected by any amendment which: