Missouri Laws > § 86.920 Missouri Laws 86.920 – Retirement board established, responsibility for operation of retirement .. Current as of: 2023 | Check for updates | Other versions The general administration and the responsibility for the proper operation of the retirement system and for making effective the provisions of sections 86.900 to 86.1280 are hereby vested in a retirement board of nine persons. Previous sectionNext section Chapter 86 Contents