ISO 55000 is .

ISO 55000 is a part of the ISO 55000 series (including ISO 55001 and ISO 55002), which serves as the international standard for asset management . It outlines the principles, terminology, and benefits of implementing an asset management system. It is not related to quality, environmental, or information security management systems, which are governed by ISO 9001, ISO 14001, and ISO 27001 respectively.

Exact Extract from ISO 55000 – Asset Management — Overview, Principles and Terminology:

"This International Standard provides an overview of asset management, its principles and terminology, and the expected benefits from adopting asset management."

(ISO 55000:2014, Clause 1 – Scope)