{"operation":"document","citation":"49 CFR 179.220-26","title":"-26 Stenciling.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"(a) The outer shell, or the jacket if the outer shell is insulated, must be stenciled in compliance with AAR Specifications for Tank Cars, appendix C (IBR, see § 171.7 of this subchapter).\n\n(b) Stenciling must be applied on both sides of the outer shell or jacket near the center in letters and figur","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-179-220-26.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-179-220-26.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-179-220-26","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-179.220-26","body":"(a) The outer shell, or the jacket if the outer shell is insulated, must be stenciled in compliance with AAR Specifications for Tank Cars, appendix C (IBR, see § 171.7 of this subchapter).\n\n(b) Stenciling must be applied on both sides of the outer shell or jacket near the center in letters and figures at least 1 1/2 inches high to indicate the safe upper temperature limit, if applicable, for the inner tank, insulation, and the support system.\n\n[Amdt. 179-9, 36 FR 21343, Nov. 6, 1971, as amended at 68 FR 75763, Dec. 31, 2003]","truncated":false,"body_characters":530}