Missouri | Instant InitiativeInitiative Rules & Requirements
Direct Constitutional Amendment
- Signature Requirement
- 170,215 signatures required (for 2026 cycle).
- Filing Deadline
- May 3, 2026.
- Filing Office
- https://www.sos.mo.gov/elections/petitions
- Filing Fee
- $0
- Review Process
- Fiscal notes are prepared by the State Auditor.
- Subject Restrictions
- Single-subject; cannot appropriate funds without new revenue.
- Distribution Rules
- Signatures from 6 of the 8 congressional districts.
- Circulator Rules
- Must register with the SOS; must be 18+.
- Ballot Title Process
- Secretary of State prepares the summary; AG reviews for legal form.
Last verified: 3/29/2026
Direct Statute Initiative
- Signature Requirement
- 106,190 signatures required (for 2026 cycle).
- Filing Deadline
- May 3, 2026.
- Filing Office
- https://www.sos.mo.gov/elections/petitions
Review ProcessFiscal notes are prepared by the State Auditor. Subject RestrictionsSingle-subject; cannot appropriate funds without new revenue. Distribution RulesSignatures from 6 of the 8 congressional districts. Circulator RulesMust register with the SOS; must be 18+. Ballot Title ProcessSecretary of State prepares the summary; AG reviews for legal form. Referendum
- Signature Requirement
- Statutory: 106,190; Constitutional: 170,215 (for 2026 cycle).
- Filing Deadline
- May 3, 2026.
- Filing Office
- https://www.sos.mo.gov/elections/petitions
- Filing Fee
- $0
- Review Process
- Fiscal notes are prepared by the State Auditor.
- Subject Restrictions
- Single-subject; cannot appropriate funds without new revenue.
- Distribution Rules
- Signatures from 6 of the 8 congressional districts.
- Circulator Rules
- Must register with the SOS; must be 18+.
- Ballot Title Process
- Secretary of State prepares the summary; AG reviews for legal form.
Last verified: 3/29/2026
