The arrangements for the admission and stay of prisoners in specially adapted units, as well as the organisational and operational rules applicable within the unit, are set out in an agreement signed by the director of the healthcare establishment, the head of the prison to which the prison staff assigned to the specially adapted unit are attached, the director general of the regional health agency, the inter-regional director of prison services and the prefect of the département in which the healthcare establishment is based.
This agreement is drawn up by reference to a standard agreement drawn up jointly by the ministers responsible for justice, health and the interior.