| Gas Standards (Gas Supply and System Safety) Regulations 2000 | 11 Feb 2023 | Current | 02-d0-00 |  Official Version |  Word |  HTML | |  PDF | Word | |
| Gas Standards (Gas Supply and System Safety) Regulations 2000 | 3 Oct 2018 | 10 Feb 2023 | 02-c0-01 | Official Version | Word | HTML | | PDF | Word | |
| Gas Standards (Gas Supply and System Safety) Regulations 2000 | 12 Oct 2016 | 2 Oct 2018 | 02-b0-00 | Official Version | Word | HTML | | PDF | Word | |
| Gas Standards (Gas Supply and System Safety) Regulations 2000 | 4 May 2012 | 11 Oct 2016 | 02-a0-04 | Official Version | Word | HTML | | PDF | Word | |
| Gas Standards (Gas Supply and System Safety) Regulations 2000 | 1 Jan 2012 | 3 May 2012 | 01-g0-03 | Official Version | Word | HTML | | PDF | Word | |
| Gas Standards (Gas Supply and System Safety) Regulations 2000 | 3 Aug 2011 | 31 Dec 2011 | 01-f0-02 | Official Version | Word | HTML | | PDF | Word | |
| Gas Standards (Gas Supply and System Safety) Regulations 2000 | 1 Jan 2011 | 2 Aug 2011 | 01-e0-02 | Official Version | Word | HTML | | PDF | Word | |
| Gas Standards (Gas Supply and System Safety) Regulations 2000 | 16 Oct 2010 | 31 Dec 2010 | 01-d0-02 | Official Version | Word | HTML | | PDF | Word | |
| Gas Standards (Gas Supply and System Safety) Regulations 2000 | 9 Jan 2010 | 15 Oct 2010 | 01-c0-03 | Official Version | Word | HTML | | PDF | Word | |
| Gas Standards (Gas Supply and System Safety) Regulations 2000 | 7 Nov 2009 | 8 Jan 2010 | 01-b0-02 | Official Version | Word | HTML | | PDF | Word | |
| Gas Standards (Gas Supply and System Safety) Regulations 2000 | 11 Apr 2008 | 6 Nov 2009 | 01-a0-04 | Official Version | Word | HTML | | PDF | Word | |
| Gas Standards (Gas Supply and System Safety) Regulations 2000 | 5 Jan 2008 | 10 Apr 2008 | 00-c0-02 | Official Version | Word | HTML | | PDF | Word | |
| Gas Standards (Gas Supply and System Safety) Regulations 2000 | 3 Aug 2001 | 4 Jan 2008 | 00-b0-06 | Official Version | Word | HTML | | Unavailable | Unavailable |  Unavailable |
