The retirement board shall establish and maintain the funds described in this part, in which all of the assets of the retirement system shall be credited according to the purpose for which the assets are held.
Mont. Code Ann. § 19-20-601, under Funds -- Contributions.
Mont. Code Ann. § 19-20-601
The retirement board shall establish and maintain the funds described in this part, in which all of the assets of the retirement system shall be credited according to the purpose for which the assets are held.