to the extent that the member is vested, the member's account shall be paid to the beneficiary or beneficiaries designated by the member on a form prescribed by the board. The amount paid must be valued as provided in IC 5-10.2-2-3. The board shall invest the total amount in the member's account in the stable value fund not later than thirty (30) days after receiving notification of a member's death.
A monthly annuity is an option only on or after the date the beneficiary or survivor becomes sixty-two (62) years of age. The board shall establish the forms of annuity by rule, in consultation with the board's actuary. Further, the board may establish a minimum account balance or a minimum monthly payment amount that is required in order for a beneficiary or survivor to select the monthly annuity option.
IC 5-10.4-8-13