(1) A Montana University System (MUS) employee who is a PERS member is required to make a retirement plan election pursuant to ARM 2.43.3510 and 2.43.3511.

(2) A MUS employee who is a PERS member may be a participant of the MUS Retirement Program (MUS-RP) and either the PERS Defined Benefit Retirement Plan (DBRP) or the PERS Defined Contribution Retirement Plan (DCRP) only under one of the following conditions:

(a) The PERS member is employed part- or full-time by both the MUS and another PERS-covered employer and does not have previous retirement plan election(s) on file with MPERA. The member may elect the MUS-RP for his or her MUS employment and the DBRP or DCRP for his or her other PERS-covered employment.

(b) The PERS member is employed by the MUS, elected the MUS-RP, and accepted employment with another PERS-covered employer, other than MUS. The member may have terminated employment with the MUS or may have taken a separate (second) job with the other PERS-covered employer. In either case, the member must elect either the DBRP or DCRP as the member's retirement plan for the member's employment with the other PERS-covered employer.

(3) A MUS employee who is in both a PERS-covered position and an MUS-RP-covered position may be a participant of both the MUS-RP and either the DBRP or DCRP.