Ind. Code § 36-10-8-5
(b) The members may adopt the bylaws and rules that they consider necessary for the proper conduct of their duties and the safeguarding of the funds and property entrusted to their care. A majority of the members constitutes a quorum, and the concurrence of a majority of the board is necessary to authorize any action.
As added by Acts 1982, P.L.218, SEC.3.