New Missouri laws taking effect January 1, 2026
1 law takes effect January 1, 2026.
Of the 165 bills enacted since 2025, 164 have an effective date and 1 doesn't yet (listed below). A law here takes effect that day by its main provisions; parts of a staggered act may take effect on other dates.
Updated Oct 31, 2026 at 11:35 p.m. EDT.
Finance (1)
HB 974 · 2025 Regular SessionPublished
Establishes provisions relating to insurance for certain uses of motor vehicles
How we got this date
Published by the legislature:
Effective date: 2026-01-01
.Parts of this act take effect on other dates.
Enacted, but not yet dated (1)
These laws' texts tie their dates to something outside the legislative record (Contingent), or not enough is recorded yet to give one (Unresolved). They may take effect January 1, 2026 too; the record doesn't say.
Show all 1
- HB 1 (ES2)ContingentCreates provisions for redistricting federal congressional seatsEffective beginning with the election of the 120th Congress