(a) As soon as possible after the election of the Chairman and Vice Chairman, the Board shall fix the time and place of its regular meetings and such meetings shall be held at least twice a month.

(b) The Board shall determine its own rules and order of business.

(c) If there are five selectmen, three shall constitute a quorum. No action of such Board shall be valid or binding unless adopted by the affirmative vote of at least three selectmen. If the Board is expanded to seven selectmen, four shall constitute a quorum and no action of such Board shall be valid or binding unless adopted by the affirmative vote of at least four selectmen. In cases where State law requires a greater fraction of the authorized board for an affirmative vote than as specified above, such provisions of State law shall control.

(d) All meetings of the Board shall be open to the public unless by an affirmative vote of the majority of the members of the entire Board they shall vote a portion of a session to be an executive session. Executive sessions are only for deliberation and all issues shall be voted on at a public meeting of the Board in order to be valid and legal.

(e) The agenda of the selectmen's meetings shall be made available to the public at least 24 hours prior to the meeting and posted in one public place.

(f) Any members of the Board may add items of business to the written agenda upon commencement of the meeting, provided that a majority of the membership of the entire Board vote to add such items of the agenda.