Unless otherwise specified, all correspondence and applications in connection with approval and testing of equipment and materials must be addressed to: Commandant (CG-ENG-4), Attn: Lifesaving and Fire Safety Division, U.S. Coast Guard Stop 7509, 2703 Martin Luther King Jr. Avenue SE., Washington, DC 20593-7509; telephone 202-372-1392 or fax 202-372-1924.

[USCG-2006-25697, 71 FR 55747, Sept. 25, 2006, as amended by ; USCG-2009-0702, 74 FR 49236, Sept. 25, 2009; USCG-2012-0832, 77 FR 59785, Oct. 1, 2012; USCG-2013-0671, 78 FR 60156, Sept. 30, 2013]