ISO 20400 Sustainable procurement -- Guidance  provides guidance to organizations, independent of their activity or size, on integrating "sustainability within "procurement. It is intended for stakeholders involved in, or impacted by, procurement decisions and processes.
This standard was developed by ISO project committee ISO/PC 277.
The standard was developed by project committee ISO/PC 277, which started work in the year 2013. The first edition of ISO 20400 was published on 21 April 2017.
The ISO 20400:2017 adopts the structure in the following breakdown: