Regulation 1 Citation and commencement
(1)
These Regulations may be cited as the Ionising Radiation (Medical Exposure) Regulations 2000 and shall come into force—
(a)
except for regulation 4(1) and 4(2) on 13th May 2000;
(b)
as regards regulation 4(1) and 4(2) on 1st January 2001.