Rules in Progress

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

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 Secretary of State on September 11, 2026.

Orders to be published in the October 15, 2026, Missouri Register.

To be published in the Code of State Regulations on October 31, 2026.

To be effective on November 30, 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 Secretary of State on September 11, 2026.

Orders to be published in the October 15, 2026, Missouri Register.

To be published in the Code of State Regulations on October 31, 2026.

To be effective on November 30, 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 filed with the Joint Committee on Administrative Rules on September 30, 2026.

Orders of Rulemaking 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

Orders of Rulemaking sent to the Governor's Office on September 4, 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

Missouri Register, Vol. 51, October 1, 2026, pages 1249-1274

Proposed Amendments – Chapter 20 – Electric Utilities (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

Published in the Missouri Register on October 1, 2026.

 

Comments due on November 2, 2026; 

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

Dippell

EX-2027-0060

Missouri Register, Vol. 51, October 1, 2026, pages 1274-1284

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

Published in the Missouri Register on October 1, 2026.

 

Comments due on November 2, 2026; 

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

Dippell

EX-2027-0060

Missouri Register, Vol. 51, October 1, 2026, pages 1284-1286

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

Published in the Missouri Register on October 1, 2026.

 

Comments due on November 2, 2026; 

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

Dippell

EX-2027-0085

Proposed Rules – Chapter 21 – Resource Planning for Electric Utilities (Related to SB4).
  • 20 CSR 4240-21.010
  • 20 CSR 4240-21.015
  • 20 CSR 4240-21.020
  • 20 CSR 4240-21.025
  • 20 CSR 4240-21.030
  • 20 CSR 4240-21.035
  • 20 CSR 4240-21.040
  • 20 CSR 4240-21.050
  • 20 CSR 4240-21.055
  • 20 CSR 4240-21.060
  • 20 CSR 4240-21.065

Proposed rules filed with the Secretary of State for publication on September 18 and 21, 2026.

 

To be published in the Missouri Register on November 2, 2026;

Comments due December 2, 2026; 

Hearing December 15, 2026 at 10:00 a.m.
 

Clark/Dippell
 
Working Groups in which Rulemaking is Being Considered