Indiana Code Title 36. Local Government § 36-9-27-6

Sec. 6. (a) When the membership of the board is reduced to less than three (3) because of disqualifications, the board shall immediately certify that fact to the circuit court of the county.  The court shall then restore the membership of the board to three (3) by appointing the appropriate number of resident freeholders of the county to serve as special members for the particular drainage proceedings.

(b) A special member of the board has the same duties and powers as a regular member of the board, and is entitled to a per diem, to be paid as an expense of the board, in an amount fixed by the county fiscal body for each day or major part of a day spent in actual attendance at any meeting of the board or in the performance of official business of the board.