Historical Versions

Below are the historical versions of the National Gas Rules:

Version Title Start Date End Date
25 National Gas Rules Version 25 02-02-15 06-05-15
24 National Gas Rules Version 24 08-01-15 01-02-15
23 National Gas Rules Version 23 11-12-14 07-01-15
22 National Gas Rules Version 22 02-10-14 10-12-14
21 National Gas Rules Version 21 01-07-14 01-10-14
20 National Gas Rules Version 20 01-04-14 30-06-14
19 National Gas Rules Version 19 14-01-14 31-03-14
18 National Gas Rules Version 18 04-07-13 13-01-14
17 National Gas Rule Version 17 02-05-13 03-07-13
16 National Gas Rule Version 16 19-03-13 01-05-13
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