Indiana Code Title 5. State and Local Administration § 5-10.4-7-3

Sec. 3. (a) Unless the member's contribution is made on behalf of the member or the member is a retired member who may not make contributions during a period of reemployment as provided under IC 5-10.2-4-8(e), the treasurer of a school corporation, the township trustee, or the appropriate officer of any other institution covered by the fund shall:

(b) The statement described in subsection (a)(2) is evidence that the member has credit from the fund for payment of the stated contribution.