- Title 49 CFR Part 191 - Transportation of Natural and Other Gas by Pipeline, Annual Reports, Incident Reports, and Safety-Related Condition Reports
- Title 49 CFR Part 192 - Transportation of Natural and Other Gas by Pipeline: Minimum Federal Safety Standards
- Title 49 CFR Part 193 - Liquefied Natural Gas Facilities: Federal Safety Standards
- General Order No. 58-A - Standards for Gas Service in the State of California (current version, published November 10, 2016)
- General Order No. 58-B - Heating Value Measurement Standard for Gaseous Fuels (current version, published November 16, 1984)
- General Order No. 112-F - State of California Rules Governing Design, Construction, Testing, Operation, and Maintenance of Gas Gathering, Transmission, and Distribution Piping Systems (current version, published June 25, 2015)
- California Public Utilities Code - Division 1. Regulation of Public Utilities [201-3260]
- Government Code Title 1. General > Division 5. Public Work and Public Purchases > Chapter 3.1 Protection of Underground Infrastructure > ARTICLE 2. Regional Notification Center System [4216 -4216.24]
