You are an IRD civil servant, contractor, trainee, doctoral student, partner or service provider of the Institute. The IRD account gives you access to the Institute's applications and tools.
You work in connection with the IRD, in the field of science or development, or even in an IRD structure without being an agent of the Institute: you can ask to access the 'IRD intranet and information dedicated to the IRD Planet, without having an IRD computer account.