Indiana Code Title 10. Public Safety § 10-12-4-1

Sec. 1. (a) This chapter applies only to an employee beneficiary who:

(b) Subject to subsection (c), an employee beneficiary who is hired for the first time before July 1, 1987, may choose to be covered by this chapter instead of IC 10-12-3 if the employee files an election with the trustee before July 1, 1988.  An election filed under this subsection is irrevocable and, except as provided in subsection (d), takes effect after twelve (12) months of service as an eligible employee following the filing of the election.

(c) This chapter is applicable only if the general assembly provides sufficient funding for the increased cost of the benefits provided by this chapter.  If this chapter is not applicable, then IC 10-12-3 applies to all employee beneficiaries regardless of when hired for the first time.

(d) If an employee beneficiary's mandatory retirement date occurs during the twelve (12) months following the filing of an election under subsection (b), the election takes effect only if:

The election takes effect on the mandatory retirement date or the date when the lump sum payment is made, whichever is later.