1. The purpose of this Regulation is to determine amongst professional activities that may be performed by physicians those which, following an individual or collective prescription, may be performed by a clinical perfusionist or by others persons in a centre operated by an institution pursuant to the Act respecting health services and social services (chapter S-4.2) or the Act respecting health services and social services for Cree Native persons (chapter S-5) or in the course of the inter-hospital transportation of a patient or of an organ.