Proposes a constitutional amendment prohibiting a statutory initiative measure approved by the voters to be amended or repealed by the General Assembly except under certain conditions

HJR 157 proposes a constitutional amendment in Missouri that would prevent the state legislature from amending or repealing laws approved by voters through statutory initiatives (like ballot measures), except under three specific conditions: after six years have passed, with a three-fourths supermajority vote in both legislative chambers, or if the proposed change is approved by voters in the next general election. This bill directly affects voter-approved initiatives by making them harder for the legislature to change without significant legislative consensus or further voter input. The key mechanism is creating these three exceptions to override the legislature's usual power to modify such laws. As a constitutional amendment proposal, it requires voter approval to take effect, and it is currently in early legislative stages (prefiled in January 2026).