1. (1) The commission adopts and incorporates by reference the U.S. Department of Transportation (DOT) Pipeline Safety Regulations, Code of Federal Regulations (CFR), Title 49, chapter 1, subchapter D, parts 191, 192, and 193, including all revisions and amendments enacted by DOT on or before November 25, 2025. A copy of the referenced regulations may be obtained from United States Department of Transportation, Office of Pipeline Safety, Western Region, 12300 West Dakota Avenue, Suite 110, Lakewood, Colorado 80228, or may be reviewed at the Public Service Commission Offices, 1701 Prospect Avenue, Helena, Montana 59620-2601.

Authorizing statute(s): 69-3-207, MCA

Implementing statute(s): 69-3-207, MCA

History: NEW, 1988 MAR p. 2569, Eff. 12/9/88; AMD, 1990 MAR p. 1897, Eff. 10/12/90; AMD, 1993 MAR p. 3043, Eff. 12/24/93; AMD, 1995 MAR p. 40, Eff. 1/13/95; AMD, 1995 MAR p. 2425, Eff. 11/10/95; AMD, 1997 MAR p. 317, Eff. 2/11/97; AMD, 1998 MAR p. 180, Eff. 1/16/98; AMD, 1999 MAR p. 153, Eff. 1/15/99; AMD, 2000 MAR p. 752, Eff. 3/17/00; AMD, 2001 MAR p. 47, Eff. 1/12/01; AMD, 2001 MAR p. 2467, Eff. 12/21/01; AMD, 2003 MAR p. 564, Eff. 3/28/03; AMD, 2004 MAR p. 339, Eff. 2/13/04; AMD, 2005 MAR p. 386, Eff. 3/18/05; AMD, 2006 MAR p. 231, Eff. 1/27/06; AMD, 2006 MAR p. 2966, Eff. 12/8/06; AMD, 2007 MAR p. 2145, Eff. 12/21/07; AMD, 2009 MAR p. 90, Eff. 1/30/09; AMD, 2010 MAR p. 226, Eff. 1/29/10; AMD, 2010 MAR p. 2992, Eff. 12/24/10; AMD, 2011 MAR p. 2829, Eff. 12/23/11; AMD, 2013 MAR p. 62, Eff. 1/18/13; AMD, 2014 MAR p.128, Eff. 1/17/14; AMD, 2015 MAR p. 308, Eff. 3/27/15; AMD, 2016 MAR p. 321, Eff. 2/20/16; AMD, 2017 MAR p. 789, Eff. 6/10/17; AMD, 2018 MAR p. 334, Eff. 2/10/18; AMD, 2019 MAR p. 179, Eff. 2/9/19; AMD, 2020 MAR p. 332, Eff. 2/15/20; AMD, 2021 MAR p. 580, Eff. 5/15/21; AMD, 2022 MAR p. 242, Eff. 2/12/22; AMD, 2022 MAR p. 1931, Eff. 9/24/22; AMD, 2024 MAR p. 87, Eff. 1/13/24; AMD, 2025 MAR, Notice No. 38-5-264, Eff. 2/8/25; AMD, 2026 MAR, Notice No. 2025-491, Eff. 1/24/26.