Section 36, The Nuclear Safety and Radiation Protection Act, 2012

A fresh application for a licence shall be required in thecase of– (a) a proposed use of different or significantly modified premises; (b) the proposed use of different radioactive substances or devices emitting ionizing radiation; (c) the proposed use of larger quantities of radioactive substances or devices emitting ionizing radiation; and (d) a change at the site of the premises or surroundings which is likely to affect radiation protection requirement.