{"operation":"document","citation":"Mich. Admin. Code R 460.20421","title":"Damage prevention program","source_type":"regulation","agency":"Michigan Public Service Commission","status":"current","official":true,"published_on":null,"effective_on":"2026-05-04","summary":"Rule 421. In addition to the requirements set forth in 49 C.F.R.§192.614, which is adopted by reference in R 460.20606, an operator of pipeline facilities used in the transportation of sour gas shall comply with both of the following provisions: (a) When notified by the \"One-Call\" system or by other","machine_formats":{"json":"https://regulus.evalyn.ai/document/mi-admin-code-r-460-20421.json","markdown":"https://regulus.evalyn.ai/document/mi-admin-code-r-460-20421.md"},"app_url":"https://regulus.evalyn.ai/document/mi-admin-code-r-460-20421","source_url":"https://ars.apps.lara.state.mi.us/AdminCode/DownloadAdminCodeFile?FileName=R%20460.20101%20to%20R%20460.20606.pdf","body":"Rule 421. In addition to the requirements set forth in 49 C.F.R.§192.614, which is adopted by reference in R 460.20606, an operator of pipeline facilities used in the transportation of sour gas shall comply with both of the following provisions:\n\n(a) When notified by the \"One-Call\" system or by other means of possible excavation activity in the pipeline right-of-way, the pipeline operator shall monitor the excavation activity using on-site personnel.\n\n(b) When responding to requests to mark the pipeline location, the operator shall notify the excavator of the hazards inherent in the release of sour gas.\n\nHistory: 2003 AACS.","truncated":false,"body_characters":631}