{"operation":"document","citation":"49 CFR 176.162","title":"Security.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"A responsible person must be present at all times when the hatches of spaces containing Class 1 (explosive) materials are open. No unauthorized person may be permitted to access spaces in which Class 1 (explosive) materials are stowed. Magazines must be secured against unauthorized entry when loadin","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-176-162.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-176-162.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-176-162","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-176.162","body":"A responsible person must be present at all times when the hatches of spaces containing Class 1 (explosive) materials are open. No unauthorized person may be permitted to access spaces in which Class 1 (explosive) materials are stowed. Magazines must be secured against unauthorized entry when loading has been completed, or when loading or unloading is stopped. Packages containing Class 1 (explosive) materials may not be opened on board ship.","truncated":false,"body_characters":445}