Indiana Code Title 36. Local Government § 36-7-4-214

Sec. 214. (a) ADVISORY.  When a municipal plan commission exercises jurisdiction outside the incorporated area of the municipality as provided for in section 205 of the advisory planning law, the executive of the county in which the unincorporated area is located shall appoint two (2) additional citizen members to the municipal plan commission.  The citizen members must:

However, at least one (1) of the members must be a resident of the unincorporated area.

(b) ADVISORY.  Initially, one (1) member under subsection (a) shall be appointed for a term of one (1) year and the other for a term of four (4) years.  Thereafter, each appointment is for a term of four (4) years.  The additional citizen members are entitled to participate and vote in all deliberations of the municipal plan commission.

(c) ADVISORY.  If the unincorporated area referred to in subsection (a) lies in two (2) counties, the executive of each of those counties shall appoint one (1) of the additional citizen members.  The executive of the county having the larger proportion of the unincorporated area shall appoint its member first, and the executive of the other county shall then appoint its member, who must not be of the same political party.