CFR /  Title 46  /  Part 78  /  Sec. 78.47-9 Carbon dioxide and clean agent alarms.

Each carbon dioxide or clean agent fire extinguishing alarm must be conspicuously marked: ``WHEN ALARM SOUNDS VACATE AT ONCE. CARBON DIOXIDE OR CLEAN AGENT BEING RELEASED.''. [USCG-2006-24797, 77 FR 33877, June 7, 2012]