ISO 9000 with a variety of quality assurance requirements for each contract awarded which led the defence industry to adopt mutual recognition of NATO AQAP, MIL-Q and Def Stan standards. Eventually, ISO 9000 was adopted as a suitable option, instead of forcing contractors to adopt multiple - and often similar - requirements. The global adoption of ISO 9001 may be attributable to a number of factors. In the early days, the ISO 9001 (9002 and 9003) requirements were intended to be used by procuring organizations, as the basis of contractual arrangements with their suppliers. This helped reduce the need for "supplier development"
ISO 55000 for recommending competent assessors and training providers. ISO 55000 ISO 55000 is an international standard covering management of assets of any kind. Before it, a Publicly Available Specification (PAS 55) was published by the British Standards Institution in 2004 for physical assets. The ISO 55000 series of Asset Management standards was launched in January 2014. PAS 55 was originally produced in 2004 by a number of organisations under the leadership of the Institute of Asset Management. It then underwent a substantial revision with 50 participating organisations from 15 industry sectors in 10 countries. PAS 55:2008 (available in both English and