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The HERS Handbook detailing the requirements for the registration of organisations and the registration of employees to the HERS scheme. Issue 11 - September 2023
NHSS8 - Particular Requirements for the Application of ISO9001:2015
The NHSS 8 document for the overseeing and/or installation and/or maintenance of Highway Electrical equipment and supporting works. Issue 2 – Oct 2022, approved by the NHSS Liaison Committee in Dec 2022