in a case where the duty holder is to submit the safety case to an infrastructure controller for acceptance pursuant to these Regulations, particulars to demonstrate that the duty holder has established adequate arrangements for enabling the controller to follow with respect to that safety case the arrangements described in his own safety case pursuant to paragraph 3 of Schedule 2;

in a case where the duty holder is to submit a safety case to the Executive for acceptance pursuant to regulation 5, particulars to demonstrate that the duty holder has established adequate arrangements for enabling the relevant infrastructure controller referred to in that regulation to follow with respect to that safety case the arrangements described in his own safety case pursuant to paragraph 4 of Schedule 2.