I.-When work equipment emitting ionising radiation is brought into service in the establishment and following any major modification likely to affect the health and safety of workers, the employer shall carry out an initial check to ensure that it is installed in accordance with the specifications provided, where applicable, in the manufacturer’s instructions and that it can be used safely.
II.-The employer shall check the integrity of sealed radioactive sources under the same conditions when they are not incorporated into work equipment.
III-This initial verification is carried out by an accredited body.