U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

§ 108.637 - Hand portable fire extinguishers.

(a) Each hand portable fire extinguisher must be marked with a number that identifies it in relation to all other hand portable fire extinguishers.

(b) The location of each hand portable fire extinguisher must be marked with the same number that is marked on the extinguisher.