| Ss. 1 & 2 | 22 May 2010 | Commenced by the Petroleum (Exploration and Extraction) Safety Act 2010 (Commencement of Certain Provisions) Order 2010 (S.I. No. 227 of 2010) |
| S. 3 | Varied | Commenced by the Petroleum (Exploration and Extraction) Safety Act 2010 (Commencement of Certain Provisions) Order 2010 (S.I. No. 227 of 2010) (22 May 2010) in so far as it inserts ss. 13A, 13B, 13C, 13G, 13H & 13K into the Electricity Regulation Act 1999 (No. 23 of 1999) |
| S. 3(a) | | Commenced by the Petroleum (Exploration and Extraction) Safety Act 2010 (Commencement of Certain Provisions)(No. 2) Order 2010 (S.I. No. 367 of 2010) (23 July 2010) |
| S. 3(c) | | Commenced by the Petroleum (Exploration and Extraction) Safety Act 2010 (Commencement of Certain Provisions)(No. 2) Order 2010 (S.I. No. 367 of 2010) (23 July 2010) |
| S. 3(d) | | Commenced by the Petroleum (Exploration and Extraction) Safety Act 2010 (Commencement of Certain Provisions)(No. 2) Order 2010 (S.I. No. 367 of 2010) (23 July 2010) except in so far as it relates to the following provisions of Part IIA of the Electricity Regulation Act 1999 (No. 23 of 1999), namely, sections 13D to 13F, 13I and 13J and sections 13L to 13AD. |
| S. 4 | 22 May 2010 | Commenced by the Petroleum (Exploration and Extraction) Safety Act 2010 (Commencement of Certain Provisions) Order 2010 (S.I. No. 227 of 2010) |
