The manufacturer or importer gives a registered medical practitioner the chemical identity of an ingredient as soon as practicable where the practitioner reasonably believes it may help treat a patient, requests it and undertakes to use it only for treatment and to give a written statement of need, and gives an emergency service worker the identity as soon as practicable on request.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.