New Missouri laws taking effect January 1, 2027

1 law takes effect January 1, 2027.

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 1870 · 2026 Regular SessionStated

    Modifies provisions relating to garnishments

    How we got this date

    The date of the act's main provisions (Sections 513.423, 513.380, 513.430, and 513.475).

    Sections 513.423, 513.380, 513.430, and 513.475: The enactment of section 513.423 and the repeal and reenactment of sections 513.380, 513.430, and 513.475 of this act shall become effective on January 1, 2027.

    Parts of this act take effect on other dates.

    How effective dates are worked out

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, 2027 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