Regulatory Framework and Legislation
What this domain tests
The Regulatory Framework and Legislation domain checks whether you can place a radiography job inside the legal system: who may possess and use sources, what authorization is needed, and which duties attach to the licensee, radiation protection officer (RPO) and individual radiographer. It also tests the graded approach: not every practice needs the same regulatory control.
Core rules
- A practice involving high-activity sealed sources normally requires an authorization (licence) from the regulator; notification alone is for lower-risk practices.
- The licensee retains responsibility for safety even when work is contracted out. The RPO has defined duties but does not replace the licensee accountability.
- Conditions in the licence, such as authorized activities, source inventory, nominated RPO, locations and reporting, are enforceable.
- International benchmarks such as IAEA GSR Part 3 use justification, optimization and dose limitation; national law sets the exact limits and forms.
- Changes to source inventory, storage location or key personnel usually require prior approval or prompt notification, depending on the national regime.
Worked example
A company wants to add a second field site and store an Ir-192 projector there overnight. The licence lists one storage location. Reasoning: storage is a licensed activity, so the new location is a material change, not a routine operational choice. The correct sequence is to apply to amend the licence, provide the security and shielding arrangements, and wait for approval before moving the source. Simply notifying the regulator after the move is a common error.
Traps
Confusing notification with authorization; treating the RPO as legally responsible instead of the licensee; assuming a contractor licence covers the client premises; forgetting that transport also has separate rules.