The International Institute of Obsolescence Management (IIOM International) is a not for profit organisation that exists to advance the science and practice of Obsolescence Management. It is the organisation exercising its powers through delegation agreements to independent legal entities in the UK and various countries designated as Chapters.

IIOM Chapters are the means by which IIOM Members can organise local work, events and other activities. IIOM Chapters will be run by a Chapter Council and will have committees as suits their numbers and interests. Chapters will be legal entities in their own country. The 'Obsolescence Management Association Chapter India (OMACI)', is an India chapter, registered under Government of Inida.