{"operation":"document","citation":"49 CFR 178.345-12","title":"-12 Gauging devices.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"Each cargo tank, except a cargo tank intended to be filled by weight, must be equipped with a gauging device that indicates the maximum permitted liquid level to within 0.5 percent of the nominal capacity as measured by volume or liquid level. Gauge glasses are not permitted.\n\n[Amdt. 178-89, 55 FR 3","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-178-345-12.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-178-345-12.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-178-345-12","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-178.345-12","body":"Each cargo tank, except a cargo tank intended to be filled by weight, must be equipped with a gauging device that indicates the maximum permitted liquid level to within 0.5 percent of the nominal capacity as measured by volume or liquid level. Gauge glasses are not permitted.\n\n[Amdt. 178-89, 55 FR 37062, Sept. 7, 1990, as amended by Amdt. 178-118, 61 FR 51342, Oct. 1, 1996]","truncated":false,"body_characters":376}