Before revision: The standard ISO 15926 has thirteen parts (as of July 2019 ): Part 1 - Introduction, information concerning engineering, construction and operation of production facilities is created, used and modified by many different organizations throughout a facility's lifetime.
After revision: The standard ISO 15926 has thirteen parts (as of February 2022 ): Part 1 - Introduction, information concerning engineering, construction and operation of production facilities is created, used and modified by many different organizations throughout a facility's lifetime.