Indiana Code Title 36. Local Government § 36-8-6-16

Sec. 16. (a) Notwithstanding section 15 of this chapter, all employees of the police department at the time a municipality established a 1925 fund, regardless of their age at the time they became members of the department, became members of the 1925 fund and are entitled to all the benefits of it.  They shall pay the assessments prescribed by and are subject to this chapter.

(b) A member of the police department who:

is entitled to all of the benefits of the 1925 fund, with all of the years of active service with the police department counted in determining the member's eligibility for retirement.