"exemption"

means the determination by the Regulator that a source, facility or activity is not subject to some or all aspects of regulatory control, on the basis that the exposure (including potential exposure) due to the source, facility or activity is too small to warrant the application of those aspects, or that this is the optimum option for protection irrespective of the actual level of the doses or risks;

[Definition inserted by section 1(g) of the National Nuclear Regulator Amendment Act, 26 of 2024, Notice No. 5723, GG51804, dated 20 December 2024 - effective 4 June 2025 per Proclamation Notice 266 of 4 June 2025]