Indiana Code Title 6. Taxation § 6-9-15-3

Sec. 3. After the first day of January each year, the board shall meet for the purpose of organization.  They shall elect one (1) of their members to serve as president, another to serve as vice president, another to serve as secretary, and another to serve as treasurer.  The members elected to those offices shall perform the duties pertaining to the offices.  The first officers chosen shall serve from the date of their election until their successors are elected and qualified.  The members shall be authorized to adopt such bylaws and rules and regulations as they deem necessary for the proper conduct of their proceedings, the carrying out of their duties, and the safeguarding of the funds and the property entrusted to their care.  A majority of the members of the board constitutes a quorum, and the concurrence of a majority of the members of the board is necessary to authorize any action.