ARTICLE XI. AMENDMENTS

These By-laws may be amended by the affirmative vote of a majority of the directors in office at any meeting of the Board or by a vote of two-¬thirds of the members of the Corporation present at a meeting duly called for the purpose of amending these By-laws, as long as a quorum is present at such meetings, providing notice of the proposed amendments has been included in the notice of meeting. Within thirty days after a Bylaw amendment is adopted by the Board, notice of such amendment shall be given to each member of the Corporation.