Organisations involved in radon monitoring are authorised :
1° to carry out measurements of radon activity in built-up areas ;
2° To analyse radon activity measurements.
These bodies transmit the results of measurements that may be useful for national monitoring of public exposure to radon, in the cases and under the conditions laid down by regulation, to a body designated by the ministers responsible for radiation protection and labour.
The conditions under which organisations are authorised and measurement results transmitted are defined by regulation.