Indiana Code Title 36. Local Government § 36-1-8-10

Sec. 10. (a) As used in this section, “board” means an administration, an agency, an authority, a board, a bureau, a commission, a committee, a council, a department, a division, an institution, an office, a service, or another similarly designated body of a political subdivision.

(b) Whenever a law or political subdivision's resolution requires that an appointment to a board be conditioned upon the political affiliation of the appointee, or that the membership of a board not exceed a stated number of members from the same political party, at the time of an appointment, one (1) of the following must apply to the appointee:

(c) If a certification by a county chair of a political party is required under subsection (b), the certification must be filed with the office of the circuit court clerk not later than the time the appointee's oath of office is filed with the clerk under IC 5-4-1.  If the county chair's certification is not filed with the circuit court clerk's office as required by this subsection, the appointment is void.

(d) Notwithstanding any other law, if the term of an appointed member of a board expires and the appointing authority does not make an appointment to fill the vacancy, both of the following apply: