The Act is significant because it modernises South Africa's nuclear and radiation regulatory framework. It widens the National Nuclear Regulator's mandate from a narrower focus on 'nuclear installations' and 'nuclear damage' to broader regulation of facilities, sources, activities, radiation safety, related security, emergency preparedness, decommissioning, contaminated defence assets for civilian release, and occupational dose monitoring. It also strengthens enforcement through expanded inspection powers and administrative fines, aligns governance with the Public Finance Management Act, and updates liability and authorisation structures. As legislation, its significance lies in statutory reform rather than precedent.