Indiana Code Title 36. Local Government § 36-8-22-7

Sec. 7. (a) Except as provided in section 15 of this chapter, this chapter does not apply to an employer with a population of less than seven thousand (7,000).

(b) This chapter does not apply to an employer that has adopted by:

provisions and procedures that permit an employee to form, join, or assist an employee organization to bargain collectively.

(c) For:

entered into between an employer and an employee organization or a recognized representative before January 1, 2008, this chapter may not be construed to annul, modify, or limit the agreement or memorandum during the term of the agreement or memorandum.