46 C.F.R. § 162.039-4 Marine type label.
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(a) In addition to all other marking, every semiportable extinguisher shall bear a label containing the “marine type” listing manifest issued by a recognized laboratory. This label will include the classification of the extinguisher in accordance with the Coast Guard classification system, and the Coast Guard approval number, thus: “Marine Type USCG Type __, Size __, Approval No. 162.039/Ex_.” All such labels are to be obtained from the recognized laboratory and will remain under its control until attached to product found acceptable under its listing and labeling program. (b) [Reserved]
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PART 162—ENGINEERING EQUIPMENT
Subpart 162.039—Extinguishers, Fire, Semiportable, Marine Type
§ 162.039-4 Marine type label.

