CHAPTER 2: TERMS AND DEFINITIONS
Annex SL
HLS
ISO 50001 is part of the Annex SL family of ISO standards. In broad terms, ISO’s Annex SL high level structure (HLS) does what it says on the tin. It means that all future assessable ISO standards need to follow the high level requirements outlined in Annex SL.
Annex SL should be read as a document and not just consulted – even if the proposed EnMS doesn’t follow ISO standards.
For a leadership team member, arguably it is more important to read Annex SL than the standard itself (although, ideally, both should be read). This is because the approach taken with the HLS can assist with defining strategic ideas. It might also provoke other ideas within some organisations – for example, is risk-based thinking ...
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