Mich. Comp. Laws § 484.172
It shall and may be lawful for any telegraph company organized as a corporation under the laws of this state, by the vote of 2/3 of its stockholders in value at any regular or special meeting, to amend its articles of association in any or all the particulars specified in the original articles, and in case of such amendment it shall be the duty of the president and secretary of the company to execute, acknowledge, and cause to be filed and recorded in the office of the clerk of the county where the principal office of the company is located, and in the office of the secretary of state an instrument in writing reciting the action of such stockholders, and setting forth the entire articles as amended, a copy of which said instrument, duly certified by said clerk or the secretary of state, may be used in evidence in all courts and places for and against said corporation.
MCL 484.172