In order to promote the research and development of nuclear science and technology, the exploitation of nuclear resources, and the peaceful utilization of nuclear energy, this law is specifically enacted.

The technical terms used in this law shall be defined as follows:
(1)'Atomic Energy' means all forms of energy released in the course of nuclear transformation.
(2)'Nuclear source material' means uranium ore, thorium ore and any other material designated by the Executive Yuan as nuclear source material.
(3)'Nuclear Fuel' means fissionable material capable of self-sustaining chain reaction with the release of energy, and any other material designated by the Executive Yuan as nuclear fuel.
(3)'Ionizing Radiation' means any electromagnetic radiation or particle radiation that directly or indirectly causes ionization of any material substance.
(5)'Nuclear Reactor' means any facility with proper arrangement of nuclear fuel capable of self-sustaining chain reaction as a result of nuclear fission.
(6)'Radioactive Material' means any material emitting one or several kinds of ionizing radiation by spontaneous nuclear transformation