http://www.legislation.gov.uk/uksi/2005/3117/schedule/7/paragraph/3/madeThe Offshore Installations (Safety Case) Regulations 2005Health and safety requirementsHealth and safety at workFossil fuelsMineral extraction, mining, quarryingWater and beach safetyKing's Printer of Acts of Parliament2017-06-21OFFSHORE INSTALLATIONSSCHEDULE 7MATTERS TO BE PROVIDED FOR IN A VERIFICATION SCHEME3The nature and frequency of examination and testing.