CFR › Title 46 › Part 153 › §153.46346 CFR §153.463Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThe discharge of a venting system must be at least 10 m (approx. 32.8 ft) from an ignition source if:(a)The cargo tank is endorsed to carry a flammable or combustible cargo; and(b)Table 1 requires the cargo to have a PV venting system.