Ind. Code § 36-9-11.1-4

Sec. 4. A member of the board or employee of the department may not have, either directly or indirectly, any pecuniary interest in any contract, purchase, or sale, or in any remuneration paid to or received by any other person, under this chapter, and any transaction made in which any such member or employee has a pecuniary interest is void. However, any property required for the purposes of the department in which a member of the board, or relative of a member, has a pecuniary interest may be acquired but only by gift, bequest, or devise.