(1) The board shall establish a Long-Term Disability Trust Fund to be used exclusively for the payment of disability benefits to participants of the Defined Contribution Retirement Plan (DCRP).

(2) The Long-Term Disability Trust Fund must be separate and distinct from the Defined Benefit Plan Trust Fund and the DCRP.

(3) The Long-Term Disability Trust Fund must be funded by the statutorily determined percentage of the employers' contributions made for employees who are active DCRP participants.

(4) Funds in the Long-Term Disability Trust Fund will be invested pursuant to Article VIII, section 13, of the Constitution and Title 17, chapter 6, part 2, MCA. No funds will be invested in equities.