The standard ISO 50003:2021 for accredited certification of the ISO 50001:2018, relevant for certification bodies changed. Main changes are:
- the definitions have been updated to include the audit time, the duration of the audit and terms related to multi-site audits;
 - the phrase “maintained documented information” has been used to represent procedures, work instructions or other forms of documents that provide the who, what, when, how or why information;
 - the phrase “retained documented information” or “record of audit evidence” has been used to represent records that demonstrate or provide evidence of the execution of a requirement;
 - the structure has been updated to align with ISO/IEC 17021-1:2015;
 - the phrase “man-days” has been changed to “audit days”;
 - for audit day calculations, the number of energy types have been changed to those that comprise at least 80 % of total consumption;
 - the weighted values for complexity have been modified;
 - the sampling requirements for multi-site EnMS have been updated;
 - the use of IAF MD documents as they relate to Annexes A and B has been clarified;
 - the information on EnMS effective personnel has been clarified in A.2;
 - Tables A.3 and A.4 have been modified to refer to audit time rather than the duration of the audit;
 - the technical areas have been removed and requirements for technical competency added.
 
QS ZÜRICH AG implemented the changes and will work accordingly.
You as certified company according to ISO 50001:2018 must not change anything now. If our certification contract is affected, we will contact you.
