Ionising Radiation (medical exposure) Regulations 2000 - IR(me)R.
These regulations came into force on 13th May 2000 to implement the European Directive 97/43/Euratom (The Medical Exposures Directive). They replace the Ionising Radiation (Protection of Persons Undergoing Medical Examination or Treatment) Regulations 1988 (POPUMET) which have been repealed.
Link to Department of Health Site
View regulations here (pdf file)