Regulation 7 Maintenance of securityI1

The responsible person in relation to each nuclear premises must comply with the standards, procedures and arrangements described in the approved security plan for the premises.

The responsible person is not to be regarded as having failed to comply with any of those standards, procedures or arrangements by reason of any matter if the F1ONR has notified the responsible person in writing that that matter, or a matter of its description, is in F2the ONR's opinion unlikely to be prejudicial to the security of the premises and the material, equipment and information mentioned in regulation 4(2).