and welfare, appointment of inspectors 7. Regulations: general provisions – consultation, offences, penalties 8. Application of existing law to offshore installations in territorial waters and designated areas – Continental Shelf Act 1964, Civil Aviation Act 1949 9. Offences: general provisions – defences, proceedings, powers of Constables 10. Prosecutions – offences, application of various Acts 11. Civil liability for breach of statutory duty – liabilities of concession owners 12. Interpretation – Meanings of words and phrases. 13. Financial provisions – expenses incurred by the Secretary of State. 14. Short title, commencement and saving – to be made by Statutory Instrument (see below), Parliament of Northern Ireland Schedule. Subject matter of regulations – measures, provisions, no-one under the age of 18 to be offshore, accidents, medical treatment, accommodation, inspectors and inquiries, official logbook. Enactment The 1971 Act was brought into effect by The Mineral Workings (Offshore Installations) Act 1971 (Commencement) Order 1972, Statutory Instruments 1972 No. 644 (C. 11). This states that "All the provisions of the Act other than sections 4 and 5 shall come into force on 1 May 1972 and sections 4 and 5 of the Act shall come into force on 31st August 1972." Consequential legislation The 1971 Act empowered the Secretary of State to make a wide range of Regulations, a sample of these include: The Offshore Installations (Registration) Regulations 1972 Statutory Instrument 1972 No. 702 The Offshore Installations (Managers) Regulations 1972 Statutory Instrument 1972 No. 703 The Offshore Installations (Logbooks and Registration of Death) Regulations 1972 Statutory Instrument 1972 No. 1542 The Offshore Installations (Public Inquiries) Regulations 1974 Statutory Instrument 1974 No. 338 The Offshore Installations (Construction and Survey) Regulations 1974 Statutory Instrument 1974 No. 289 The Offshore Installations (Emergency Procedures) Regulations 1976 Statutory Instrument 1976 No. 1542 The Offshore Installations (Operational Safety, Health and Welfare) Regulations 1976 Statutory Instrument 1976 No. 1019 The Offshore Installations (Life-saving Appliances) Regulations 1977 Statutory Instrument 1977 No. 486 The Offshore Installations (Fire-fighting Equipment) Regulations 1978 Statutory Instrument 1978 No. 611. Certification The Offshore Installations (Construction and Survey) Regulations 1974 (Statutory Instrument 1974 No. 289) established a certification regime. Offshore duty holders (oil and gas companies) appointed a Certifying Authority to inspect the design, construction and operation of their installation(s) against published guidance. The Certifying Authorities were the major ship classification societies: Lloyd's Register of Shipping, Bureau Veritas, Germanisher Lloyd's, Det Norske Veritas, American Bureau of Shipping. The Petroleum Engineering