>> Make sure to also check this article: "About desks' prior notice"
You can ask for extra desk on the intranet, HAL. All requests will be reviewed by your program manager on regular basis. Once the request accepted, the newcomer will receive an email to choose an onboarding session.
You can request an outboarding directly in HAL. Please note that outboarding need approval from your Program Manager, it can take a few days.
Also note that there is a one-month notice for an outboarding.