Indiana Code Title 36. Local Government § 36-3-5-7

Sec. 7. (a) This section applies to each board established under section 6 of this chapter.

(b) A board shall hold regular meetings at least once a month, at times and places prescribed by its rules or established by resolution.

(c) A special meeting of a board shall be held when called by its presiding officer or when called by at least two-fifths ( 2/5 ) of its members, at any place in the county designated in the call.

(d) No notice of a regular meeting, or meeting required by statute, need be given to a member of a board.  For a special meeting, a written notice specifying the time and place of the meeting must be delivered, mailed, or sent by telegram to all members so that each member has at least seventy-two (72) hours notice of the meeting.  However, this requirement is waived as to a member if the member:

A written waiver of notice may be executed before or after the meeting, but it must state in general terms the purpose of the meeting if executed after the meeting.

(e) A majority of all the members of a board constitutes a quorum.

(f) A majority vote of all the members of a board is required to pass a resolution.