Section 162.028-4 - Marine type label(a) In addition to all other markings, every portable extinguisher must bear a label containing the Coast Guard approval number, thus: "Marine Type USCG Type Approval No. 162.028/____."(b) All such labels are to be obtained only from the recognized laboratory and will remain under its control until attached to product found acceptable under its inspection and labeling program.CGFR 60-36, 25 FR 10640, Nov. 5, 1960, as amended by CGFR 64-19, 29 FR 7360, June 5, 1964; USCG-2012-0196, 81 FR 48278, July 22, 2016