The Maritime Safety Committee, at its eighty-eighth session (24 November to 3 December 2010), having considered the proposal by the Sub-Committee on Fire Protection, at its fifty-fourth session, approved the Guidelines for testing and approval of fixed high-expansion foam systems, set out in the annex. 2 Member Governments are invited to apply the annexed Guidelines when approving fixed high-expansion foam systems in accordance with the revised chapter 6 of the FSS Code , which is expected to be adopted at MSC.90 (May 2012), and bring them to the attention of ship designers, shipowners, equipment manufacturers, test laboratories and other parties concerned. 3 This circular supersedes MSC.1/Circ.1271, except that fire and component tests previously conducted in accordance with MSC.1/Circ.1271 remain valid for the approval of new systems.