Versions of Missouri Laws 168.122 - Leaves of absence, board may establish policy -- retention of permanent status on LawServer 2023 Missouri Laws 168.122 – Leaves of absence, board may establish policy — retention of permanent status 2022 Missouri Laws 168.122 – Leaves of absence, board may establish policy — retention of permanent status. 2020 Missouri Laws 168.122 – Leaves of absence, board may establish policy — retention of permanent status. 2018 Missouri Laws 168.122 – Leaves of absence, board may establish policy — retention of permanent status. 2016 Missouri Laws 168.122 – Leaves of absence, board may establish policy–retention of permanent status 2015 Missouri Laws 168.122 – Leaves of absence, board may establish policy–retention of permanent status 2014 Missouri Laws 168.122 – Leaves of absence, board may establish policy–retention of permanent status 2013 Missouri Laws 168.122 – Leaves of absence, board may establish policy–retention of permanent status 2009 Missouri Laws 168.122 – Leaves of absence, board may establish policy–retention of permanent status