Rules in Progress

EFIS File and Link to Missouri Register Description Rule Number Progress Next Action Judge Assigned

EX-2026-0171

Missouri Register, Vol. 51, Feb. 17, 2026, pages 312-314

Missouri Register, Vol. 51, Aug. 3, 2026, pages 947-952

Proposed Rule for State Reliability Mechanism (Related to SB4).
  • 20 CSR 4240-23.040
Order of Rulemaking published in the Code of State Regulations August 31, 2026.

Rule to be effective September 30, 2026.

Dippell

GX-2026-0285

Missouri Register, Vol. 51, June 1, 2026, pages 697-709 .

Proposed Amendments - Gas Safety Rule Updates.
  • 20 CSR 4240-40.020 
  • 20 CSR 4240-40.030
Orders of Rulemaking filed with the Joint Committee on Administrative Rules August 12, 2026.

Orders to be filed with the Secretary of State by October 7, 2026.

Dippell

MX-2026-0286

Missouri Register, Vol. 51, June 1, 2026, pages 709-718

Proposed Amendments – Manufactured Housing (2025 Periodic Rule Review).
  • 20 CSR 4240-120.011 
  • 20 CSR 4240-120.110
  • 20 CSR 4240-123.010 
  • 20 CSR 4240-123.020 
  • 20 CSR 4240-123.030 
  • 20 CSR 4240-123.040
  • 20 CSR 4240-123.090 
  • 20 CSR 4240-124.010
  • 20 CSR 4240-124.020
  • 20 CSR 4240-124.060
  • 20 CSR 4240-125.010
  • 20 CSR 4240-125.040
  • 20 CSR 4240-125.060
  • 20 CSR 4240-126.010
  • 20 CSR 4240-126.020
  • 20 CSR 4240-127.010
Orders of Rulemaking filed with the Joint Committee on Administrative Rules August 12, 2026.

Orders to be filed with the Secretary of State by October 7, 2026.

Dippell

OX-2026-0334

M issouri Register, Vol. 51, July 1, 2026, pages 814-824 .

Proposed Amendments and Rescission – Chapter 3 - Utilities (2025 Periodic Rule Review).
  • 20 CSR 4240-3.010
  • 20 CSR 4240-3.030
  • 20 CSR 4240-3.100
  • 20 CSR 4240-3.130
  • 20 CSR 4240-3.135
  • 20 CSR 4240-3.140
  • 20 CSR 4240-3.150
  • 20 CSR 4240-3.155
  • 20 CSR 4240-3.156 (Rescission)
  • 20 CSR 4240-3.162
  • 20 CSR 4240-3.200
  • 20 CSR 4240-3.205
  • 20 CSR 4240-3.230
  • 20 CSR 4240-3.255
  • 20 CSR 4240-3.300
  • 20 CSR 4240-3.400
  • 20 CSR 4240-3.625
Orders of Rulemaking sent to the Governor's Office for Review and Approval August 25, 2026.

Orders of Rulemaking to be filed with the Joint Committee on Administrative Rules by October 2, 2026;

Order to be filed with the Secretary of State by November 3, 2026.

Dippell

OX-2026-0335

Missouri Register, Vol. 51, July 15, 2026, pages 886-888 .

Proposed Amendments – Chapter 4 - Standards of Conduct (2025 Periodic Rule Review).
  • 20 CSR 4240-4.010
  • 20 CSR 4240-4.015
  • 20 CSR 4240-4.017
  • 20 CSR 4240-4.040

Comment Hearing August 20, 2026, 10:00 am .

 

Orders of Rulemaking to be sent to the Governor's Office by September 9, 2026;

Orders of Rulemaking to be filed with the Joint Committee on Administrative Rules by October 16, 2026; 

Orders to be filed with the Secretary of State by November 18, 2026.
 

Dippell

TX-2026-0353

Missouri Register, Vol. 51, July 15, 2026, pages 888 - 895 .

Proposed Amendments – Communications Rules (2025 Periodic Rule Review).
  • 20 CSR 4240-28.012
  • 20 CSR 4240-28.014
  • 20 CSR 4240-29.010
  • 20 CSR 4240-29.020
  • 20 CSR 4240-29.030
  • 20 CSR 4240-29.100
  • 20 CSR 4240-31.016
  • 20 CSR 4240-34.020
  • 20 CSR 4240-34.090
  • 20 CSR 4240-36.020
  • 20 CSR 4240-36.030
  • 20 CSR 4240-36.040
  • 20 CSR 4240-36.050

Orders of Rulemaking sent to the Governor's Office September 2, 2026.

.

Orders of Rulemaking to be filed with the Joint Committee on Administrative Rules by October 16, 2026;

Orders to be filed with the Secretary of State by November 18, 2026.

Dippell

EX-2027-0060

Proposed Amendments – Chapter 20 – Electric Utilties (2025 Periodic Rule Review).
  • 20 CSR 4240-20.030
  • 20 CSR 4240-20.045
  • 20 CSR 4240-20.050
  • 20 CSR 4240-20.060
  • 20 CSR 4240-20.065
  • 20 CSR 4240-20.070
  • 20 CSR 4240-20.090
  • 20 CSR 4240-20.091
  • 20 CSR 4240-20.092
  • 20 CSR 4240-20.093
  • 20 CSR 4240-20.094

Finding of Necessity issued and amendments filed on August 28, 2026 with Secretary of State for publication.

 

To be published in the Missouri Register on October 1, 2026;

Comments due November 2, 2026; 

Hearing November 5, 2026 at 10:00 a.m.
 

Dippell

EX-2027-0060

Proposed Amendments – Chapter 22 – Electric Utilty Resource Planning (2025 Periodic Rule Review).
  • 20 CSR 4240-22.020
  • 20 CSR 4240-22.030
  • 20 CSR 4240-22.040
  • 20 CSR 4240-22.045
  • 20 CSR 4240-22.050
  • 20 CSR 4240-22.060
  • 20 CSR 4240-22.070
  • 20 CSR 4240-22.080

Finding of Necessity issued and amendments filed on August 28, 2026 with Secretary of State for publication.

 

To be published in the Missouri Register on October 1, 2026;

Comments due November 2, 2026; 

Hearing November 5, 2026 at 10:00 a.m.
 

Dippell

EX-2027-0060

Proposed Amendments – Chapter 23 – Electric Utilty Operational Standards (2025 Periodic Rule Review).
  • 20 CSR 4240-23.010
  • 20 CSR 4240-23.020
  • 20 CSR 4240-23.030

Finding of Necessity issued and amendments filed on August 28, 2026 with Secretary of State for publication.

 

To be published in the Missouri Register on October 1, 2026;

Comments due November 2, 2026; 

Hearing November 5, 2026 at 10:00 a.m.
 

Dippell
 
Working Groups in which Rulemaking is Being Considered