ISO 9001:2015, 4.2

This article summarizes the ISO/DIS 9001:2015 requirements in Clause 4.2 and highlights the changes from ISO 9001:2008.

4.2 Understanding the Needs and Expectations of Interested Parties

Due to their impact, or potential impact, on your ability to consistently provide products and services that meet customer and applicable legal requirements, determine:

  • Interested parties that are relevant to system
  • Relevant requirements of these interested parties

Monitor and review information about these interested parties and their relevant requirements.

Further changes may be introduced in the FDIS version, as well as, in the final published version of the ISO 9001:2015 standard.


  • This is a new requirement on interested parties.
  • The relevant interested parties may change.
  • The relevant requirements may also change.
  • Auditors will need evidence of periodic reviews.