(1) The additional employer contributions provided for in 19-3-316(3), MCA that are paid on behalf of MUS employees in the optional retirement program will be allocated as follows:

(a) The 1.00% additional employer contribution will be directed to the PERS defined benefit plan trust fund.

(b) The 0.27% additional employer contribution is already allocated to the PERS defined benefit retirement plan's plan choice rate pursuant to 19-21-214(2)(b), MCA.

(c) The 0.1% additional employer contribution that commences July 1, 2014, will be directed to the PERS defined benefit plan trust fund unless the board determines pursuant to 19-3-2121, MCA that an increase in the plan choice rate is required to actuarially fund the PERS Defined Contribution Retirement Plan's share of the PERS defined benefit's plan unfunded liability. In that event, the 0.1% additional employer contribution will be directed to the PERS Defined Contribution Retirement Plan's plan choice rate.