46 C.F.R. § 35.40-7 Carbon dioxide alarm—T/ALL.
Title 46 - Shipping
Adjacent to all carbon dioxide fire extinguishing alarms installed after November 19, 1952, there shall be conspicuously marked: “WHEN ALARM SOUNDS VACATE AT ONCE. CARBON DIOXIDE BEING RELEASED.”
Title 46: Shipping
PART 35—OPERATIONS
Subpart 35.40—Posting and Marking Requirements—TB/ALL.
§ 35.40-7 Carbon dioxide alarm—T/ALL.