BS 25999 was BSI””s standard in the field of Business Continuity Management (BCM). It was withdrawn in 2012 (part 2) and 2013 (part 1) following the publication of the international standards ISO 22301 – ″Societal Security — Business continuity management systems — Requirements″ and ISO 22313 – ″Societal Security — Business continuity management systems — Guidance″

Upon its publication in 2007 BS 25999 replaced PAS 56, a Publicly Available Specification, published in 2003 on the same subject.