CFR › Title 33 › Part 149 › §149.40633 CFR §149.406Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkAll portable and semi-portable fire extinguishers must be of an approved type under 46 CFR part 162, subparts 162.028 and 162.039, respectively.